2021 Subaru WRX Engine Oils

Enhance and Protect Your 2021 Subaru WRX with Quality Engine Oils

Maintaining the performance of your 2021 Subaru WRX starts with choosing the right parts, and a high-quality Engine Oil helps ensure a reliable and efficient vehicle. At Advance Auto Parts, we offer Engine Oils specifically for the 2021 Subaru WRX, ensuring a perfect fit and lasting durability. Choosing to shop with Advance Auto Parts means you’re making a smart decision to prioritize both quality and reliability for your vehicle.

Affordable and Reliable Engine Oils for Every Budget

Finding an Engine Oil that combines quality with affordability is easy at Advance Auto Parts. With prices starting as low as $6.49 and an average price of $25.61, you can choose one that fits your budget while delivering the quality you expect. Our Engine Oils are competitively priced, ranging from $6.49 to $66.99, so you get value without compromising on strength or reliability.

Trusted Brands and Top-Rated Options

With 21 Engine Oils from 5 trusted brands in stock, Advance Auto Parts has you covered. Our Engine Oils for the 2021 Subaru WRX have earned reviews from over 12222 customers, with an average 5 stars rating across the board. Popular options include 5W-30 High Mileage Full Synthetic Motor Oil – Protection for 10K Miles, 5 Quarts, Extended Performance 5W-30 High Mileage Full Synthetic Motor Oil, 5 Quarts, and EDGE High Mileage 5W-30 Advanced Full Synthetic Engine Oil, 5 Qts, starting at $38.99. Our selection includes highly regarded brands such as Mobil Oil, Fram, and Castrol, and more, offering you top-notch reliability. For example, we have 3 Mobil Oil Engine Oils starting at $38.99 with an average rating of 5 stars, 8 Fram options from $6.49 with a 4 stars rating, and 6 Castrol Engine Oils priced from $11.49 with a 5 stars average rating.

Engine Oils for Your 2021 Subaru WRX

Mobil 1 – 5W-30 High Mileage Full Synthetic Motor Oil – Protection for 10K Miles, 5 Quart (Part No.120769)

5W-30 High Mileage Full Synthetic Motor Oil - Protection for 10K Miles, 5 Quart

from

$38.99
Give your higher mileage engine the care it deserves with Mobil 1 High Mileage full-synthetic motor oil 5W-30. This formula utilizes Mobil 1s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness to vehicles with over 75,000 miles. Mobil 1 High Mileage motor oil extends engine life by reducing friction and preventing deposits and sludge buildup-keeping critical engine parts clean and protected for up to 10,000 miles between oil changes. (1) Mobil 1 helps to keep your engine running at lower temperatures (2) and is proven to cool engine temperatures by over 10%. (3) Mobil 1 High Mileage full-synthetic motor oil 5W-30 also helps control oxidation to prevent oil breakdown and is recommended by ExxonMobil for all types of modern cars, SUVs, light vans, and light trucks-including those with high-performance, turbocharged, supercharged, multi-valve, or fuel-injected engines. Mobil 1 is Americas No. 1 selling synthetic motor oil brand at retail, (4) trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR. ( (1) Protects for up to 10,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US. (2) Compared to conventional oil. (3) Based on proprietary engine testing, results may vary. (4) Source: The NPD Group/ Retail Tracking Service/ Dollar Sales/ PCMO full-synthetic/ 52 weeks ending July 1, 2023)

Product Features:
  • Mobil 1 High Mileage full-synthetic motor oil 5W-30 is designed for engines with over 75,000 miles to go up to 10,000 miles between oil changes.(1)
  • Utilizes Mobil 1s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness
  • Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy
  • Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -30 degrees F)
  • Mobil 1 is specially formulated to help remove sludge and lower engine temperatures
  • Manufacturer Part Number: 120769
  • Extended Engine Life: This high mileage motor oil extends engine life by reducing friction and preventing deposits and sludge buildup, keeping critical engine parts clean and protected for up to 10,000 miles between oil changes.
  • Temperature Control: Proven to cool engine temperatures by over 10%, Mobil 1 helps to keep your engine running at lower temperatures compared to conventional oil.
  • Oxidation Control: Mobil 1 High Mileage motor oil helps control oxidation to prevent oil breakdown, ensuring long-lasting performance and protection.
  • Versatile Compatibility: Recommended by ExxonMobil for all types of modern cars, SUVs, light vans, and light trucks, including those with high-performance, turbocharged, supercharged, multi-valve, or fuel-injected engines.
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Mobil 1 – Extended Performance 5W-30 High Mileage Full Synthetic Motor Oil, 5 Quart (Part No.15021)

Extended Performance 5W-30 High Mileage Full Synthetic Motor Oil, 5 Quart

from

$41.99
You trust your car to keep you going, even after 75,000 miles. Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-30 gives engines with over 75,000 miles the extra care they need to go the distance. Formulated to help prevent leaks, it helps to protect critical engine parts for up to 20,000 miles between oil changes, guaranteed.(1) Utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of maximized engine power. This cutting-edge formula is recommended by ExxonMobil for all types of modern vehicles, including high-performance, turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks. Mobil 1 is America’s No. 1 synthetic motor oil brand at retail,(2) trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR. ((1)Protects for up to 20,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US. (2)Source: The NPD Group/Retail Tracking Service/Dollar Sales/PCMO full-synthetic/52 weeks ending July 1, 2023)

Product Features:
  • Mobil 1 Extended Performance High Mileage full-synthetic motor oil 5W-30 is designed for engines with over 75,000 miles to go up to 20,000 miles between oil changes.(1)
  • Utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power
  • Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy
  • Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -40 degrees F)
  • Helps extend engine life by working to prevent damaging deposits and sludge buildup
  • Manufacturer Part Number: 123843
  • Versatile Compatibility: Recommended for all types of modern vehicles, including high-performance, turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks.
  • Trusted Brand: Mobil 1 is America’s No. 1 synthetic motor oil brand at retail, trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR«.
  • Trusted Brand: Mobil 1 is America’s No. 1 synthetic motor oil brand at retail, trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR®.
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Castrol – EDGE High Mileage 5W-30 Advanced Full Synthetic Engine Oil, 5 Qt (Part No.15906E)

EDGE High Mileage 5W-30 Advanced Full Synthetic Engine Oil, 5 Qt

from

$38.99
Castrol EDGE High Mileage 5W-30 is an advanced full synthetic motor oil that is specifically designed for vehicles with over 75,000 miles. It’s been engineered to reduce leaks, burnoff and power robbing deposits, but also contains a proprietary additive to protect the emission system. Our Phosphorus Replacement Technology reduces harmful phosphorus to protect the catalytic converter and extend maximum performance. It is the natural choice for drivers who demand maximum performance from their high mileage car.

Product Features:
  • Phosphorus Replacement Technology to help extend the life of the emission system
  • Reduces leaks, oil burnoff and power robbing deposits
  • 15,000 miles between oil changes (1)
  • (1) Or one year, whichever comes first
  • Meets or exceeds the following specifications:
  • API SP/SN PLUS/SN/SM
  • ILSAC GF-6
  • Porsche A40
  • Meets engine test requirements of Chrysler MS 6395
  • Meets Ford WSS-M2C961-A1
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Mobil 1 – Extended Performance 5W-30 Full Synthetic Motor Oil, 5 Quart (Part No.14977)

Extended Performance 5W-30 Full Synthetic Motor Oil, 5 Quart

from

$41.99
If you trust your vehicle to be there for you, you need to be there for its engine, with Mobil 1 Extended Performance full-synthetic motor oil 5W-30. Our ultimate full-synthetic motor oil meets or exceeds the industry’s toughest standards to help you get the most from your engine for up to 20,000 miles between oil changes, guaranteed.(1) Utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of maximized engine power. This cutting-edge formula is recommended by ExxonMobil for all types of modern vehicles, including high-performance, turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines found in passenger cars, SUVs, light vans, and light trucks. Mobil 1 is America’s No. 1 synthetic motor oil brand at retail,(2) trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR®. ((1)Protects for up to 20,000 miles or 1 year, whichever comes first. To learn more about the Mobil 1 Limited Warranty, visit Mobil.US.(2)Source: The NPD Group/Retail Tracking Service/Dollar Sales/PCMO full-synthetic/52 weeks ending Feb 25, 2023)

Product Features:
  • Mobil 1 Extended Performance full-synthetic motor oil 5W-30 helps protect critical engine parts for up to 20,000 miles between oil changes,(1) controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
  • Utilizes Mobil 1’s Triple Action+ Formula to combine outstanding engine performance, protection, and cleanliness with the added benefit of power
  • Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean and helping to improve your fuel economy
  • Helps extend engine life by working to prevent damaging deposits and sludge buildup
  • Provides excellent internal engine heat protection (up to 500 degrees F) and low temperature protection (to -40 degrees F)
  • Manufacturer Part Number: 120766
  • Versatile Compatibility: Recommended for all types of modern vehicles, including high-performance, turbo-charged, and supercharged gasoline and diesel multi-valve fuel-injected engines in passenger cars, SUVs, light vans, and light trucks.
  • Trusted Brand: Mobil 1 is America’s No. 1 synthetic motor oil brand at retail, trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR«.
  • Trusted Brand: Mobil 1 is America’s No. 1 synthetic motor oil brand at retail, trusted and recommended by car builders and experienced mechanics, and is the Official Motor Oil of NASCAR®.
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Castrol – EDGE 5W-30 Advanced Full Synthetic Engine Oil, 5 Quart (Part No.1598B1)

EDGE 5W-30 Advanced Full Synthetic Engine Oil, 5 Quart

from

$37.99
Castrol EDGE 5W-30 is an advanced full synthetic motor oil and the optimal choice for drivers who want the best combination of wear protection, viscosity control and thermal stability to maximize engine performance. It is one of Castrols strongest engine oils with the strength to maintain this unsurpassed level of engine protection for up to 20,000 miles between oil changes or one year.

Product Features:
  • 3X Stronger than the leading full synthetic (1)
  • 10X Better high stress performance (2)
  • 20,000 miles between oil changes (3)
  • (1) Viscosity breakdown as measured in Kurt Orbahn test on 5W-30 grade
  • (2) As measured in Seq IX test under high load/torque conditions vs. API SP test limits
  • (3) Or one year, whichever comes first
  • Approved and Licensed Specifications:
  • ILSAC GF-6
  • Exceeds API SP/SN PLUS/SN/SM
  • GM dexos1 Gen 3
  • Meets engine test requirements of Chrysler MS 6395
  • Meets Ford WSS-M2C946-B1
  • Meets Ford WSS-M2C961-A1
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Castrol – EDGE 5W-30 Advanced Full Synthetic Motor Oil, 1 Quart (Part No.152C3C)

EDGE 5W-30 Advanced Full Synthetic Motor Oil, 1 Quart

from

$11.99
Castrol EDGE 5W-30 is an advanced full synthetic motor oil and the optimal choice for drivers who want the best combination of wear protection, viscosity control and thermal stability to maximize engine performance. It is one of Castrols strongest engine oils with the strength to maintain this unsurpassed level of engine protection for up to 20,000 miles between oil changes or one year.

Product Features:
  • 3X Stronger than the leading full synthetic (1)
  • 10X Better high stress performance (2)
  • 20,000 miles between oil changes (3)
  • (1) Viscosity breakdown as measured in Kurt Orbahn test on 5W-30 grade
  • (2) As measured in Seq IX test under high load/torque conditions vs. API SP test limits
  • (3) Or one year, whichever comes first
  • Approved and Licensed Specifications:
  • ACEA A5/B5, C2
  • Exceeds API SP/SN PLUS/SN/SM
  • GM dexos1 Gen 3
  • Meets engine test requirements of Chrysler MS 6395
  • Meets Ford WSS-M2C946-B1
  • Meets Ford WSS-M2C961-A1
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Castrol – EDGE High Mileage 5W-30 Advanced Full Synthetic Motor Oil, 1 Quart (Part No.15979F)

EDGE High Mileage 5W-30 Advanced Full Synthetic Motor Oil, 1 Quart

from

$12.99
Castrol EDGE High Mileage 5W-30 is an advanced full synthetic motor oil that is specifically designed for vehicles with over 75,000 miles. It’s been engineered to reduce leaks, burnoff and power robbing deposits, but also contains a proprietary additive to protect the emission system. Our Phosphorus Replacement Technology reduces harmful phosphorus to protect the catalytic converter and extend maximum performance. It is the natural choice for drivers who demand maximum performance from their high mileage car.

Product Features:
  • Phosphorus Replacement Technology to help extend the life of the emission system
  • Reduces leaks, oil burnoff and power robbing deposits
  • 15,000 miles between oil changes (1)
  • (1) Or one year, whichever comes first
  • Meets or exceeds the following specifications:
  • API SP/SN PLUS/SN/SM
  • ILSAC GF-6
  • Meets Ford WSS-M2C960-A1
  • Meets engine test requirements of Chrysler MS 6395
  • Meets Ford WSS-M2C946-B1
  • Meets Ford WSS-M2C961-A1
See More

Castrol – EDGE Euro Car 5W-30 C3 Full Synthetic Motor Oil, 1 Quart (Part No.154BC4)

EDGE Euro Car 5W-30 C3 Full Synthetic Motor Oil, 1 Quart

from

$12.49
CASTROL EDGE Euro Car 5W-30 C3 Full Synthetic Motor Oil is a high-performance engine oil that is designed to provide superior protection to the latest technology, high output engines that operate at extreme temperatures. This full-synthetic motor oil is formulated to transform under pressure, increasing film strength to prevent oil breakdown and reduce friction to unlock maximum performance. It is optimized to deliver 40% better performance than other motor oils and is recommended by world-leading auto manufacturers. This motor oil provides engine protection for the entire drain interval and meets API CF/SN, ACEA A3/B4, ACEA C3, GM dexos2 specifications. It is suitable for European OEM diesel specifications for Mercedes-Benz and VW/Audi. This motor oil was formerly known as Castrol SLX and is available in a 1 quart container.

Product Features:
  • Optimized to deliver 40% better performance than required by acea standards.
  • Recommended by world leading auto manufacturers
  • Engine protection for the entire drain interval even under extreme pressure of high output engines
  • Meets api cf/sn, acea a3/b4, acea c3, gm dexos2, mb approval 229.31/229.51, vw 505 00/505 01, renault rn 0700/0710
  • Formerly known as castrol slx
  • Syntec Power Technology: The reformulated EDGE Engine Oil now features Syntec Power Technology, which enhances its performance even further.
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FRAM – 5W-30 Full Synthetic Motor Oil: 5 Quart (Part No.F930-5QT)

5W-30 Full Synthetic Motor Oil: 5 Quart

from

$27.99
FRAM Engine Oil Full Synthetic SAE 5W-30 is a full synthetic motor oil blended with high quality synthetic base stocks and the latest additive technology to meet the stringent API: SP, SN, SM, SL, SJ, GM dexos1 Gen 3 and ILSAC GF-6A specifications to provide the ultimate protection for your engine. Specifically formulated for the rigorous environment of gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs as well as providing increased protection for carbureted or normally fuel injected engines. FRAM Engine Oil Full Synthetic SAE 5W-30 contains additive technology designed to prevent low-speed pre-ignition (LSPI). LSPI can lead to pre-mature engine failure and is a major concern of the automotive industry for vehicles employing GDI or TGDI technology. This oil also provides increased wear protection, oxidation and shear stability over previous oil categories. FRAM Engine Oil Full Synthetic SAE 5W-30 and is a fully licensed GM dexos1 Gen 3 motor oil.

Product Features:
  • Faster oil flow at start-up
  • Fuel efficiency gains over heavier grade oils
  • Excellent sludge and varnish protection
  • Outstanding thermal and oxidation stability
  • Lowers oil vaporization and consumption at extreme conditions
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR ENGINE.
  • Ultimate Engine Protection: FRAM Engine Oil Full Synthetic SAE 5W-30 meets stringent API: SP, SN, SM, SL, SJ, GM Dexos1 Gen 3, and ILSAC GF-6A specifications, ensuring top-tier protection for your engine.
  • Advanced Additive Technology: Specifically formulated to prevent low-speed pre-ignition (LSPI), a major concern for vehicles with gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs, reducing the risk of premature engine failure.
  • Enhanced Wear Protection: Provides increased wear protection, oxidation, and shear stability over previous oil categories, extending the life of your engine.
  • Versatile Compatibility: Suitable for use in carbureted, normally fuel-injected engines, and the rigorous environment of GDI and TGDI engines, offering broad application versatility.
  • Fully Licensed GM dexos1 Gen 3: This oil is a fully licensed GM dexos1 Gen 3 motor oil, ensuring it meets the high standards set by General Motors for optimal engine performance.
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FRAM – 5 Qt Conventional 5W30 Engine Oil with Low-Speed Pre-Ignition Control (Part No.F620-5QT)

5 Qt Conventional 5W30 Engine Oil with Low-Speed Pre-Ignition Control

from

$25.99
FRAM Engine Oil SAE 5W-30 utilizes a blend of high-quality conventional and synthetic base stocks coupled with a robust additive system to provide reliable engine protection across a broad range of operating conditions. Specifically formulated for use in modern gas-direct engines (GDI) and turbo gas-direct engines (TGDI) as well as older carbureted or normally fuel injected gasoline engine designs. FRAM Engine Oil SAE 5W-30 contains additive technology designed to prevent low-speed pre-ignition (LSPI) while also providing increased wear protection, oxidation and shear stability over previous oil categories. FRAM Engine Oil SAE 5W-30 meets the requirements for API SP, SN Plus, SN, SM and ILSAC GF-6A, GF-5 and earlier API and ILSAC Service Categories.

Product Features:
  • Low-speed pre-ignition control
  • Chain wear protection
  • Piston cleanliness
  • Turbo-compatibility
  • Always refer to your vehicles operating manual to select the correct grade oil for your engine.
  • Reliable engine protection: FRAM Conventional Oil 5W30 5 QT utilizes a blend of high-quality conventional and synthetic base stocks coupled with a robust additive system to provide reliable engine protection across a broad range of operating conditions.
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FRAM – Full Synthetic High Mileage 5W-30 Engine Oil: 5 Quart (Part No.F933-5QT)

Full Synthetic High Mileage 5W-30 Engine Oil: 5 Quart

from

$28.99
FRAM Full Synthetic High Mileage SAE 5W-30 is a full synthetic motor oil blended with high quality synthetic base stocks and and enhanced additives that meet the stringent API: SP, SN, SM, SL, SJ, and ILSAC GF-6A specifications while reducing leaks and oil consumption in worn or higher mileage engines. Formulated with synthetic base stocks, this oil offers increased oxidation inhibition performance as well as increased high and low temperature performance when compared against conventional oils. The FRAM Full Synthetic High Mileage SAE 5W-30 is formulated to help clean out sludge buildup and keep engines running clean and with increased efficiency and power. Specially designed for engines with over 75,000 miles, the FRAM Full Synthetic High Mileage SAE 5W-30 provides the ultimate protection for your higher mileage engine. Specifically formulated for the rigorous environment of gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs as well as providing increased protection for carbureted or normally fuel injected engines. FRAM Full Synthetic High Mileage SAE 5W-30 contains additive technology designed to prevent low-speed pre-ignition (LSPI). LSPI can lead to pre-mature engine failure and is a major concern of the automotive industry for vehicles employing GDI or TGDI technology. This oil also provides increased wear protection, oxidation and shear stability for higher mileage vehicles over previous oil categories.

Product Features:
  • Faster oil flow at start-up
  • Fuel efficiency gains over heavier grade oils
  • Reduces oil cumsumption
  • Excellent sludge and varnish protection
  • Slows engine leaks
  • Outstanding thermal and oxidation stability
  • Lowers oil vaporization and consumption at extreme conditions
  • Always refer to your vehicles operating manual to select the correct grade oil for your engine.
See More

FRAM – 5 Qt Engine Oil High Milage Conventional 5W30 Restores Seals to Reduce Oil Consumption (Part No.F660-5QT)

5 Qt Engine Oil High Milage Conventional 5W30 Restores Seals to Reduce Oil Consumption

from

$25.99
FRAM Conventional High Mileage 5W30 Engine Oil is specially designed with enhanced  additives to help reduce leaks and oil consumption in worn or higher mileage engines. This oil is formulated to help clean out sludge buildup and keep engines running clean and with  increased efficiency and power. They are specially designed for engines with over 75,000 miles.  FRAM Conventional High Mileage 5W30 Engine Oil will protect domestic and imported vehicles and  equipment powered with either gasoline or light duty diesel engines – even those that are turbo charged or super-charged. This high-quality oil is specifically formulated to meet or exceed  all new car manufacturers’ warranty requirements as well as the stringent industry standards API  SP/CF, and 5W30 grades will also meet or exceed the ILSAC GF-6A Resource Conserving Service Category.

Product Features:
  • Formulated with a unique combination of premium base oils and an enhanced additive system
  • Provides increased protection in higher mileage engines
  • Helps restore seal condition to reduce oil consumption
  • Increases protection against high temperature deposits and ring sticking
  • Always refer to your vehicles operating manual to select the correct grade oil for your engine.
  • Specially formulated for engines with over 75,000 miles to help reduce leaks and oil consumption.
See More

FRAM – 5W-30 Full Synthetic Motor Oil: 1 Quart (Part No.F930)

5W-30 Full Synthetic Motor Oil: 1 Quart

from

$7.49
FRAM Engine Oil Full Synthetic SAE 5W-30 is a full synthetic motor oil blended with high quality synthetic base stocks and the latest additive technology to meet the stringent API: SP, SN, SM, SL, SJ, GM dexos1 Gen 3 and ILSAC GF-6A specifications to provide the ultimate protection for your engine. Specifically formulated for the rigorous environment of gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs as well as providing increased protection for carbureted or normally fuel injected engines. FRAM Engine Oil Full Synthetic SAE 5W-30 contains additive technology designed to prevent low-speed pre-ignition (LSPI). LSPI can lead to pre-mature engine failure and is a major concern of the automotive industry for vehicles employing GDI or TGDI technology. This oil also provides increased wear protection, oxidation and shear stability over previous oil categories. FRAM Engine Oil Full Synthetic SAE 5W-30 and is a fully licensed GM dexos1 Gen 3 motor oil.

Product Features:
  • Faster oil flow at start-up
  • Fuel efficiency gains over heavier grade oils
  • Excellent sludge and varnish protection
  • Outstanding thermal and oxidation stability
  • Lowers oil vaporization and consumption at extreme conditions
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR ENGINE.
  • Ultimate Engine Protection: FRAM Engine Oil Full Synthetic SAE 5W-30 meets stringent API: SP, SN, SM, SL, SJ, GM Dexos1 Gen 3, and ILSAC GF-6A specifications, ensuring top-tier protection for your engine.
  • Advanced Additive Technology: Specifically formulated to prevent low-speed pre-ignition (LSPI), a major concern for vehicles with gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs, reducing the risk of premature engine failure.
  • Enhanced Wear Protection: Provides increased wear protection, oxidation, and shear stability over previous oil categories, extending the life of your engine.
  • Versatile Compatibility: Suitable for use in carbureted, normally fuel-injected engines, and the rigorous environment of GDI and TGDI engines, offering broad application versatility.
  • Fully Licensed GM dexos1 Gen 3: This oil is a fully licensed GM dexos1 Gen 3 motor oil, ensuring it meets the high standards set by General Motors for optimal engine performance.
See More

FRAM – 5W-30 Conventional Motor Oil with Low-Speed Pre-Ignition Control, 1 Quart (Part No.F620)

5W-30 Conventional Motor Oil with Low-Speed Pre-Ignition Control, 1 Quart

from

$6.49
FRAM Engine Oil SAE 5W-30 utilizes a blend of high-quality conventional and synthetic base stocks coupled with a robust additive system to provide reliable engine protection across a broad range of operating conditions. Specifically formulated for use in modern gas-direct engines (GDI) and turbo gas-direct engines (TGDI) as well as older carbureted or normally fuel injected gasoline engine designs. FRAM Engine Oil SAE 5W-30 contains additive technology designed to prevent low-speed pre-ignition (LSPI) while also providing increased wear protection, oxidation and shear stability over previous oil categories. FRAM Engine Oil SAE 5W-30 meets the requirements for API SP, SN Plus, SN, SM and ILSAC GF-6A, GF-5 and earlier API and ILSAC Service Categories.

Product Features:
  • Low-speed pre-ignition control
  • Chain wear protection
  • Piston cleanliness
  • Turbo-compatibility
  • Always refer to your vehicles operating manual to select the correct grade oil for your engine.
  • Reliable engine protection: FRAM Conventional Oil 5W30 1 QT utilizes a blend of high-quality conventional and synthetic base stocks coupled with a robust additive system to provide reliable engine protection across a broad range of operating conditions.
See More

FRAM – High Milage Conventional 5W-30 Motor Oil – Helps Restore Seal Condition, 1 Quart (Part No.F660)

High Milage Conventional 5W-30 Motor Oil - Helps Restore Seal Condition, 1 Quart

from

$6.49
FRAM Conventional High Mileage 5W30 Engine Oil is specially designed with enhanced additives to help reduce leaks and oil consumption in worn or higher mileage engines. This oil is formulated to help clean out sludge buildup and keep engines running clean and with increased efficiency and power. They are specially designed for engines with over 75,000 miles. FRAM Conventional High Mileage 5W30 Engine Oil will protect domestic and imported vehicles and equipment powered with either gasoline or light duty diesel engines – even those that are turbo charged or super-charged. This high-quality oil is specifically formulated to meet or exceed all new car manufacturers’ warranty requirements as well as the stringent industry standards API SP/CF, and 5W30 grade will also meet or exceed the ILSAC GF-6A Resource Conserving Service Category.

Product Features:
  • Formulated with a unique combination of premium base oils and an enhanced additive system
  • Provides increased protection in higher mileage engines
  • Helps restore seal condition to reduce oil consumption
  • Increases protection against high temperature deposits and ring sticking
  • Always refer to your vehicles operating manual to select the correct grade oil for your engine.
  • Specially formulated for engines with over 75,000 miles to help reduce leaks and oil consumption.
See More

FRAM – Full Synthetic High Mileage 5W-30 Motor Oil: 1 Quart (Part No.F933)

Full Synthetic High Mileage 5W-30 Motor Oil: 1 Quart

from

$7.99
FRAM Full Synthetic High Mileage SAE 5W-30 is a full synthetic motor oil blended with high quality synthetic base stocks and and enhanced additives that meet the stringent API: SP, SN, SM, SL, SJ, and ILSAC GF-6A specifications while reducing leaks and oil consumption in worn or higher mileage engines. Formulated with synthetic base stocks, this oil offers increased oxidation inhibition performance as well as increased high and low temperature performance when compared against conventional oils. The FRAM Full Synthetic High Mileage SAE 5W-30 is formulated to help clean out sludge buildup and keep engines running clean and with increased efficiency and power. Specially designed for engines with over 75,000 miles, the FRAM Full Synthetic High Mileage SAE 5W-30 provides the ultimate protection for your higher mileage engine. Specifically formulated for the rigorous environment of gas-direct engine (GDI) and turbo gas-direct engine (TGDI) designs as well as providing increased protection for carbureted or normally fuel injected engines. FRAM Full Synthetic High Mileage SAE 5W-30 contains additive technology designed to prevent low-speed pre-ignition (LSPI). LSPI can lead to pre-mature engine failure and is a major concern of the automotive industry for vehicles employing GDI or TGDI technology. This oil also provides increased wear protection, oxidation and shear stability for higher mileage vehicles over previous oil categories.

Product Features:
  • Faster oil flow at start-up
  • Fuel efficiency gains over heavier grade oils
  • Reduces oil cumsumption
  • Excellent sludge and varnish protection
  • Slows engine leaks
  • Outstanding thermal and oxidation stability
  • Lowers oil vaporization and consumption at extreme conditions
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR ENGINE.
  • Engine Cleaning and Efficiency: Helps clean out sludge buildup, keeping engines running clean with increased efficiency and power, ideal for engines with over 75,000 miles.
  • Advanced LSPI Prevention: Contains additive technology designed to prevent low-speed pre-ignition (LSPI), a major concern for vehicles with gas-direct injection (GDI) and turbo gas-direct injection (TGDI) engines.
  • Comprehensive Engine Protection: Provides increased wear protection, oxidation, and shear stability for higher mileage vehicles, meeting stringent API: SP, SN, SM, SL, SJ, and ILSAC GF-6A specifications.
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Royal Purple – HMX SAE 5W-30 High-Mileage Synthetic Motor Oil (5 Quart) (Part No.11748)

HMX SAE 5W-30 High-Mileage Synthetic Motor Oil (5 Quart)

from

$66.99
Royal Purple HMX SAE 5W-30 High-Mileage Synthetic Motor Oil, 5 quart is specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles. Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple’s proprietary additive technology Synerlec, HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines. In addition, HMX is fortified with stout detergents to remove engine build-up and deposits, maintain cleanliness and promote engine longevity. 

Product Features:
  • Specifically designed to minimize wear and restore lost performance in engines with more than 75,000 miles
  • Formulated with robust zinc/phosphorus anti-wear compounds combined with Royal Purple’s proprietary additive technology
  • HMX is chemically enhanced to revitalize hardened seals, reducing oil consumption common in high-mileage engines
  • Reduces friction and metal-to-metal contact for peak engine performance
  • Also provides outstanding oxidation resistance to safely extend oil drain intervals, and an ionic attraction to metal surfaces, providing protection and minimizing wear at start-up
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Pennzoil – Ultra Platinum 5W-30 Full Synthetic Motor Oil, Extends Engine Life, 5 Quart (Part No.550045201)

Ultra Platinum 5W-30 Full Synthetic Motor Oil, Extends Engine Life, 5 Quart

from

$41.99
Pennzoil Ultra Platinum Full Synthetic motor oil is made from natural gas, not crude. It is one of the best full synthetic motor oils in our portfolio. Made for extreme performance, Pennzoil Ultra Platinum outperforms conventional oils in terms of low temperature performance and volatility control. Our full synthetic motor oils are uniquely engineered from our revolutionary PurePlus Technology which is a patented process that converts pure natural gas into a high quality, full synthetic base oil. Because it is made from natural gas, the high- quality base oil contains fewer impurities than base oils made from crude oil, and when combined with our advanced additive technology creates one of the best formulations in our Pennzoil portfolio. Pennzoil Ultra Platinum far exceeds the most stringent car manufacturer requirements for cleanliness and protection (based on ILSAC GF-6, dexos1 and Ferrari approvals), and is suitable for all car, SUV, light van, truck gasoline and turbocharged engines; under all driving conditions.

Product Features:
  • Full synthetic 5W-30 engine oil made from natural gas, not crude, using Pennzoil’s patented gas-to-liquid PurePlus Technology
  • No other leading motor oil provides better wear protection for your engine (Based on Sequence IVA wear test using SAE 5W-30)
  • Helps protect engines from loss of power and provides better fuel economy-drive on average an extra 550 miles per year (versus a dirty engine)
  • Keeps pistons dramatically cleaner than required by the toughest industry standards (Based on ILSAC GF-6 and Sequence IIIH piston deposit test using SAE 5W-30)
  • Delivers unsurpassed sludge protection to help keep high-performance and luxury car engines as close as possible to factory clean (Based on Sequence VH Sludge Test using SAE 5W-20)
  • Formulated to provide faster low-temperature oil flow and protection in extreme heat
  • Pennzoil is the first motor oil made from natural gas, not crude- PurePlus Technology converts pure natural gas into high-quality, full-synthetic base oil that’s crystal clear and contains fewer impurities than other traditional and synthetic motor oils
  • Suitable for all car, SUV, light van, truck gasoline and turbocharged engines; under all driving conditions.
  • Extreme Performance: Designed for extreme performance, this motor oil outperforms conventional oils in low temperature performance and volatility control, ensuring optimal engine protection and efficiency.
  • Exceeds Stringent Requirements: Pennzoil Ultra Platinum exceeds the most stringent car manufacturer requirements for cleanliness and protection, meeting ILSAC GF-6, dexos1, and Ferrari approvals.
  • Extends Engine Life: The advanced additive technology combined with the high-quality base oil helps extend engine life, providing superior protection and performance.
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Pennzoil – 5W-30 Full Synthetic Motor Oil, Helps Prevent Sludge Build-Up, 5 Quart (Part No.550058602)

5W-30 Full Synthetic Motor Oil, Helps Prevent Sludge Build-Up, 5 Quart

from

$32.99
Pennzoil Full Synthetic 5W-30 motor oil is formulated to provide 40% better performance than conventional motor oil (compared to Pennzoil Conventional motor oil), and helps prevent sludge and deposit build up. Pennzoil® Full Synthetic Motor oil is formulated to help you go longer between oil changes- it is formulated for longer drain intervals than conventional and synthetic blend motor oils. Pennzoil utilizes the advances of synthetic technology to provide improved cleanliness over synthetic blend motor oils. It meets or exceeds the engine protection required by ILSAC GF-6. So if your car already requires full synthetic, or if you’re looking to upgrade from conventional or synthetic blend Pennzoil Full Synthetic is the right choice for you.

Product Features:
  • Fewer oil changes compared to conventional motor oil
  • Enhanced wear protection in high and low temperatures
  • Excellent resistance to oil breakdown in severe environments
  • Formulated for longer drain intervals than conventional and synthetic blend motor oils
  • Suitable for use in new and old engines
  • Meets or exceeds: API SP- Resource Conserving and all previous Categories, ILSAC GF-6
  • Specs and Approvals: Chrysler MS 6395 and Ford WSS-M2C947-A
  • Superior Performance: Pennzoil Full Synthetic 5W-30 motor oil delivers 40% better performance compared to conventional motor oil, ensuring optimal engine efficiency.
  • Enhanced Engine Cleanliness: Utilizing advanced synthetic technology, Pennzoil Full Synthetic motor oil provides improved cleanliness over synthetic blend motor oils, helping to prevent sludge and deposit build-up.
  • Versatile Upgrade: Ideal for vehicles that require full synthetic oil or for those looking to upgrade from conventional or synthetic blend oils, Pennzoil Full Synthetic 5W-30 is the right choice for enhanced engine performance.
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Castrol – EDGE Euro 5W-30 K Advanced Full Synthetic Motor Oil, 1 Quart (Part No.15E892)

EDGE Euro 5W-30 K Advanced Full Synthetic Motor Oil, 1 Quart

from

$11.49
Castrol EDGE Euro 5W-30 K is an advanced full synthetic motor oil engineered to exceed manufacturer test limits ensuring the highest level of protection and maximum performance for European cars. European car manufacturers create unique motor oil specifications to ensure the lubricant can withstand the intense pressure, heat and friction generated in a high output engine. To ensure compliance, rigorous engine tests are developed, with approval granted only when the oil achieves the minimum values required in each test. Castrol EDGE Euro Car fluids are formulated to exceed these requirements and deliver maximum protection and performance.

Product Features:
  • 3X Better wear protection to reduce friction and optimize performance (1)
  • 1.9X Better engine cleanliness to help maximize engine performance (1)
  • (1) As measured in OM646LA test vs. test limit
  • Approved and licensed specifications:
  • ACEA C3
  • API SP
  • BMW Longlife-04
  • Meets Ford WSS-M2C947-B1
  • MB-Approval 229.31/ 229.51/ 229.52
  • Porsche C30
  • Renault RN 0700 / RN 0710
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Pennzoil – Full Synthetic Engine Oil 5W-30 1 Qt – Helps Prevent Sludge and Deposit Build Up (Part No.550058600)

Full Synthetic Engine Oil 5W-30 1 Qt - Helps Prevent Sludge and Deposit Build Up

from

$9.49
Pennzoil Full Synthetic 5W-30 motor oil is formulated to provide 40% better performance than conventional motor oil (compared to Pennzoil Conventional motor oil), and helps prevent sludge and deposit build up. Pennzoil Full Synthetic Motor oil is formulated to help you go longer between oil changes- it is formulated for longer drain intervals than conventional and synthetic blend motor oils. Pennzoil utilizes the advances of synthetic technology to provide improved cleanliness over synthetic blend motor oils. It meets or exceeds the engine protection required by ILSAC GF-6. So if your car already requires full synthetic, or if you’re looking to upgrade from conventional or synthetic blend Pennzoil Full Synthetic is the right choice for you.

Product Features:
  • Fewer oil changes compared to conventional engine oil
  • Enhanced wear protection in high and low temperatures
  • Excellent resistance to oil breakdown in severe environments
  • Formulated for longer drain intervals than conventional and synthetic blend engine oils
  • Suitable for use in new and old engines
  • Meets or exceeds: api sp- resource conserving and all previous categories, ilsac gf-6
  • Specs and approvals: chrysler ms 6395 and ford wss-m2c947-a
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FAQs for 2021 Subaru WRX Engine Oils

Which Engine Oils are the top sellers for the 2021 Subaru WRX?

Out of 21 Engine Oils that fit 2021 Subaru WRXes, the following parts are the top sellers:

How can I make sure that a part will be compatible with my 2021 Subaru WRX?

Our Subaru WRX aftermarket and OEM parts are designed specifically for the 2021 model. You can always find your specific fitment and compatibility for your 2021 Subaru on an individual product page.

What is the price range for 2021 Subaru WRX Engine Oils?

The range of prices of Engine Oils for the 2021 Subaru WRX goes from $6.49 up to $66.99 for the most premium parts.

What is the average price of 2021 Subaru WRX Engine Oils?

2021 Subaru WRX Engine Oils average $25.61 for our selection of OEM and aftermarket parts. Keep in mind the variety of brands we offer, such as Mobil Oil, Fram, Castrol, and more, so you are likely to find a wide range of prices across a variety of brands and products.

Does Advance Auto Parts sell Engine Oils for other Subaru WRX model years?

Yes, we currently stock Engine Oils for 10 model years of Subaru WRXes, from 2015 to 2025. Model years 2023, 2024, 2022, 2020, 2019, 2018, 2017, 2016, and 2015 are the most popular for Engine Oils purchases.

Which Engine Oils are highest rated for the 2021 Subaru WRX?

Based on 12,222 customer reviews, our 2021 Subaru WRX Engine Oils have an average rating of 5. Explore our top-rated Engine Oils here:
EDGE 5W-30 Advanced Full Synthetic Engine Oil, 5 Quart
from $37.99
(442)
EDGE 5W-30 Advanced Full Synthetic Engine Oil, 5 Quart
“Same as the last review.”
EDGE 5W-30 Advanced Full Synthetic Motor Oil, 1 Quart
from $11.99
(442)
EDGE 5W-30 Advanced Full Synthetic Motor Oil, 1 Quart
“The best oil for my car.”

Can I get help with 2021 Subaru WRX Engine Oils orders?

Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Subaru Engine Oils and more.

What is your return policy for Subaru WRX Engine Oils?

Advance Auto Parts keeps returns simple. For new Subaru WRX Engine Oils and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.