2021 Kia Rio Transmission Fluids

Keep Your 2021 Kia Rio in Top Shape with Quality Transmission Fluids

Whether you’re repairing or upgrading your Transmission Fluid, using high-quality parts is key to keeping your 2021 Kia Rio looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Dual Clutch Transmission Fluids and Automatic Transmission Fluids. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.

Top-Rated Transmission Fluids from Trusted Brands

Looking for a reliable Transmission Fluid? We’ve got you covered with options from brands you know and trust like Valvoline. For example, Valvoline Transmission Fluids start at just $12.79 with an average 4.8 star rating. With over 446 reviews and a solid 5 star average, you can shop with confidence knowing other Kia Rio owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2021 Kia Rio Transmission Fluid at Advance Auto Parts is around $16.92, with a range that starts at $11.99 and goes up to $25.99. With 3 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Full Synthetic Continuously Variable Transmission (CVT) Fluid: 1 Quart and Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon start at just $11.99 and offer a great balance of form and function.

Explore Related Parts

While you’re upgrading or replacing your Transmission Fluid, don’t forget to check out other key components like Coolant/Antifreeze and Fluids. At Advance Auto Parts, we’re here to help you keep your 2021 Kia Rio in peak condition, inside and out.

Essential 2021 Kia Rio Transmission Fluids

FRAM – Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Gallon (Part No.F426-1G)

Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Gallon

from

$33.99
FRAM DEXRON®-VI FULL SYNTHETIC ATF represents the latest technology in full  synthetic automatic transmission fluids. This product is designed for the newest  generation of highly efficient transmissions now being installed in most vehicles, and is  DEXRON®-VI licensed by GM and meets JASO 1A performance requirements. It is a fuel  efficient choice for older models as well, such as those currently using DEXRON®-III. FRAM DEXRON®-VI FULL SYNTHETIC ATF is recommended for use in all GM  DEXRON® applications and in transmissions applications calling for Toyota WS, Nissan  Matic J and Matic S, Ford part numbers XT-10-QLV and XT-6-QSP, Honda Z-1 and DW 1, and Hyundai SP-VI. Check owner’s manual for specific recommendations.

Product Features:
  • Outstanding resistance to oxidative and thermal breakdown.
  • Exceptional low temperature fluidity.
  • Excellent anti-wear properties.
  • Excellent gear shift quality throughout service life.
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE FLUID FOR YOUR TRANSMISSION
  • TRANSMISSION FLUIDS ALSO APPLICABLE IN POWER STEERING UNITS; CHECK OWNERS’ MANUAL
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FRAM – Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Quart (Part No.F426)

Full Synthetic Dexron VI Automatic Transmission Fluid: 1 Quart

from

$11.79
FRAM DEXRON®-VI FULL SYNTHETIC ATF represents the latest technology in full  synthetic automatic transmission fluids. This product is designed for the newest  generation of highly efficient transmissions now being installed in most vehicles, and is  DEXRON®-VI licensed by GM and meets JASO 1A performance requirements. It is a fuel  efficient choice for older models as well, such as those currently using DEXRON®-III. FRAM DEXRON®-VI FULL SYNTHETIC ATF is recommended for use in all GM  DEXRON® applications and in transmissions applications calling for Toyota WS, Nissan  Matic J and Matic S, Ford part numbers XT-10-QLV and XT-6-QSP, Honda Z-1 and DW 1, and Hyundai SP-VI. Check owner’s manual for specific recommendations.

Product Features:
  • Outstanding resistance to oxidative and thermal breakdown.
  • Exceptional low temperature fluidity.
  • Excellent anti-wear properties.
  • Excellent gear shift quality throughout service life.
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE FLUID FOR YOUR TRANSMISSION
  • TRANSMISSION FLUIDS ALSO APPLICABLE IN POWER STEERING UNITS; CHECK OWNERS’ MANUAL
See More

Pentosin – Automatic Transmission Fluid – 1 Liter and with High Performance (Part No.1058112)

Automatic Transmission Fluid - 1 Liter and with High Performance

from

$27.49
Automatic Transmission Fluid – 1 Liter and with High Performance

Castrol – Castrol Transmax High Mileage Automatic Transmission Fluid, 1 Gallon (Part No.1599F1)

Castrol Transmax High Mileage Automatic Transmission Fluid, 1 Gallon

from

$49.99
Castrol® Transmax High Mileage is ideal for most transmissions with over 75,000 miles. It features additional seal conditioners to help stop leaks and cleaning agents to reduce varnish and deposit formation. It also protects against clutch wear and restores smooth shifting.

Product Features:
  • Additional seal conditioners to prevent or help stop leaks
  • Extra cleaning agents to reduce varnish and sludge formulation
  • Protects against clutch wear
  • Restores smooth shifting
  • Greater frictional durability provides superior transmission performance
  • Can be used in a wide variety of specifications including DEXRON«-IIIH, MERCON«áand JASO-1A.
  • Can be used in a wide variety of specifications including DEXRON®-IIIH, MERCON® and JASO-1A.
  • Exceeds all passenger car and light truck manufacturer¿s warranty requirements for vehicles, transmissions or power steering service where a DEXRON®-IIIH or MERCON® type ATF is specified
  • Exceeds all passenger car and light truck manufacturer┐s warranty requirements for vehicles, transmissions or power steering service where a DEXRON«-IIIH or MERCON« type ATF is specified
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Castrol – Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon (Part No.15E0C8)

Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon

from

$25.99
Castrol® Transmax® ATF/CVT Universal is a technologically advanced, full-synthetic formulation designed to deliver excellent performance in most traditional step-shifting automatic transmissions and continuously variable transmissions currently in use. It is also suitable for use in hybrids. It is blended with premium base oils and an additive package that utilizes Castrol Smooth Drive® Technology.

Product Features:
  • Enhanced friction durability for smooth transmission performance
  • Superior high temperature protection to effectively resist oxidation
  • Unsurpassed protection against copper corrosion
  • Broad scope of vehicle applications improves workshop efficiency and inventory management
  • ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
  • ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
  • ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
  • CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2
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FRAM – Full Synthetic Continuously Variable Transmission (CVT) Fluid: 1 Quart (Part No.F490)

Full Synthetic Continuously Variable Transmission (CVT) Fluid: 1 Quart

from

$11.99
FRAM FULL SYNTHETIC CVT Fluid is formulated with synthetic base stocks and a  robust additive system designed to protect both chain and belt type continuously variable  transmissions (CVT). It is engineered to offer the highest level of protection against  metal-to-metal wear. Better anti-shudder and anti-scuffing performance lead to longer  life for transmissions, and quieter, more vibration-free operation.

Product Features:
  • Outstanding thermal and oxidation stability
  • Excellent sludge and varnish protection
  • Best in-class anti-shudder durability
  • Volatility: Lowers oil vaporization and consumption at extreme conditions
  • Covers both belt and chain type applications
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR TRANSMISSION
  • TRANSMISSION FLUIDS ALSO APPLICABLE IN POWER STEERING UNITS; CHECK OWNERS’ MANUAL
See More

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$12.79
Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:
  • FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
  • HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
  • IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
  • ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations
See More

Most Popular Dual Clutch Transmission Fluid for 2021 Kia Rios

Enhance your 2021 Kia Rio with this popular Dual Clutch Transmission Fluid we have in stock, for $12.79.

Valvoline – MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.VV324)

MaxLife Multi-Vehicle (ATF) Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$12.79
Valvoline Full Synthetic MaxLife Multi-Vehicle ATF, the No. 1 ATF product, suitable for use in 95% of vehicles. And now, it’s recommended for most belt & chain-driven continuously variable transmissions (CVT). Featuring advanced additives to prevent the major causes of transmission breakdown, it’s designed to help prevent leaks, reduce wear & tear, and maximize performance. Has improved thermal stability for longer fluid life, better viscosity stability for consistent transmission operation, and frictional enhancements for smooth gear engagements. Valv MaxLife Multi-Vehicle ATF is suitable for most Ford, GM, Toyota, Honda, Nissan, Hyundai, Subaru, BMW, Mercedes, Volvo, VW & Audi vehicles. Recommended for use in: GM DEXRON-II, DEXRON-III, DEXRON-VI, and DEX-CVT; Ford MERCON LV; Toyota/Lexus Type T, T-II, T-IV, WS, CVTF FE, and CVTF TC; Honda/Acura ATF-Z1 and Honda CVT; Nissan/Infiniti Matic-D, Matic-J, Matic-K and Matic-S; Hyundai/Kia SP-II, SP-III, SP-IV and SPH-IV; BMW 7045E, ETL 8072B, LA2634 and LT71141; Allison C-4; Mercedes-Benz NAG-1; Volvo 1161521, 1161540, 97340 and 1273.41; Subaru ATF HP, Lineartronic chain CVT and CVT-II, Lineartronic High Torque CVT, and CV-30; and VW/Audi G-052-025-A2 and G-052-162-A1. CURRENTLY UNABLE TO SHIP THIS PRODUCT TO CUSTOMERS LOCATED IN CALIFORNIA

Product Features:
  • FOR USE IN 95% OF VEHICLES INCLUDING MOST CVTs in operation with US registered light duty applications
  • HIGH PERFORMANCE CONDITIONING AGENTS prolong seal elasticity to prevent leaks
  • IMPROVED DURABILITY & TRANSMISSION LIFE with anti-wear technology to avoid costly repairs
  • ENHANCED HIGH & LOW TEMP PERFORMANCE supports transmission fluid in all weather situations
See More

Best-Selling 2021 Kia Rio Automatic Transmission Fluids

Upgrade your Rio with one of our 2 best-selling Automatic Transmission Fluids.

FRAM – Full Synthetic Continuously Variable Transmission (CVT) Fluid: 1 Quart (Part No.F490)

Full Synthetic Continuously Variable Transmission (CVT) Fluid: 1 Quart

from

$11.99
FRAM FULL SYNTHETIC CVT Fluid is formulated with synthetic base stocks and a  robust additive system designed to protect both chain and belt type continuously variable  transmissions (CVT). It is engineered to offer the highest level of protection against  metal-to-metal wear. Better anti-shudder and anti-scuffing performance lead to longer  life for transmissions, and quieter, more vibration-free operation.

Product Features:
  • Outstanding thermal and oxidation stability
  • Excellent sludge and varnish protection
  • Best in-class anti-shudder durability
  • Volatility: Lowers oil vaporization and consumption at extreme conditions
  • Covers both belt and chain type applications
  • ALWAYS REFER TO YOUR VEHICLES OPERATING MANUAL TO SELECT THE CORRECT GRADE OIL FOR YOUR TRANSMISSION
  • TRANSMISSION FLUIDS ALSO APPLICABLE IN POWER STEERING UNITS; CHECK OWNERS’ MANUAL
See More

Castrol – Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon (Part No.15E0C8)

Transmax ATF/CVT Universal Automatic Transmission Fluid, 1 Gallon

from

$25.99
Castrol® Transmax® ATF/CVT Universal is a technologically advanced, full-synthetic formulation designed to deliver excellent performance in most traditional step-shifting automatic transmissions and continuously variable transmissions currently in use. It is also suitable for use in hybrids. It is blended with premium base oils and an additive package that utilizes Castrol Smooth Drive® Technology.

Product Features:
  • Enhanced friction durability for smooth transmission performance
  • Superior high temperature protection to effectively resist oxidation
  • Unsurpassed protection against copper corrosion
  • Broad scope of vehicle applications improves workshop efficiency and inventory management
  • ATF Applications: Dexron VI (Dexron III, Dexron), Mercon LV (Mercon SP, Mercon V, Mercon), JASO 1A (03), JASO 1A LV (13), Toyota T IV, Toyota T III, Toyota WS, Honda/Acura DW 1/Z 1, Nissan Matic D, Matic J, Matic S, Hyundai/Kia SP IV, SP III
  • ATF Applications: Mazda ATF M-V, M-III, FZ, Mitsubishi SP IV, SP III, IIM, II, PA, J3, VW/Audi (6, 8 & 9 speed automatics), BMW/Mini (6, 8 and 9 speed automatics), Jaguar/Land Rover (6, 8 & 9 speed automatics), Porsche (6, 8 & 9 speed automatics)
  • ATF Applications: Volvo (6, 8 and 9 speed automatics), Volvo Transmission Oil 97342, AT102, Mercedes-Benz (7 and 9 speed automatics)
  • CVT Applications: Toyota CVT Fluid TC, Toyota CVT Fluid FE , Nissan CVT Fluid NS-1, Nissan CVT Fluid NS-2, Nissan CVT Fluid NS-3, Subaru i-CVT Fluid, Subaru i-CVT FG, Subaru Lineartronic High Torque Chain CVTF, Honda HCF-2
See More

Top-Rated Transmission Fluid Brands For Your 2021 Kia Rio

When it comes to finding the perfect Transmission Fluid for your 2021 Kia Rio, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 3 trusted brands. We carry the most popular Transmission Fluid brands including Valvoline, and more, all known for their exceptional customer ratings (average brand rating of 4.8 stars) and competitive prices, as low as $12.79. Purchasing a Transmission Fluid from us here at Advance Auto Parts is a smart move for both you and your 2021 Kia Rio, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 2021 Kia Rio Transmission Fluids

If you’re looking for a top-quality Transmission Fluid for your 2021 Kia Rio, Advance Auto Parts has exactly what you need with our selection of Valvoline Transmission Fluids. We have 1 Valvoline Transmission Fluids in stock for this fitment, all known for their durability and precision fit. With prices starting at just $12.79, you’ll find the perfect Transmission Fluid for your needs and budget. Valvoline Transmission Fluids for the 2021 Kia Rio come highly rated, with over 446 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Transmission Fluid from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

FAQs for 2021 Kia Rio Transmission Fluids

What are the best-selling Transmission Fluids for 2021 Kia Rios?

Out of 3 Transmission Fluids that fit 2021 Kia Rios, the following parts are the top sellers:

What’s the price range for 2021 Kia Rio Transmission Fluids?

The prices of Transmission Fluids for the 2021 Kia Rio range from $11.99 up to $25.99 for the most premium parts.

What is the average price of a Transmission Fluids Transmission Fluid for a 2021 Kia Rio?

The average price for Transmission Fluids for the 2021 Kia Rio is $16.92. Keep in mind the variety of part types within our Transmission Fluid category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Transmission Fluids for other Kia Rio model years?

Yes, we carry Transmission Fluids for 21 model years of Kia Rios between 2001 and 2023. The following model years are the most popular for Transmission Fluid purchases: 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, and 2012.

What are the cheapest Transmission Fluids for my 2021 Kia Rio?

Does Advance Auto Parts sell Transmission Fluids for any other 2021 Kia models?

Yes. We stock Transmission Fluids for 3 other popular 2021 Kia models. Some of the most popular are 2021 Sportage Transmission Fluids, 2021 Forte Transmission Fluids, 2021 Sorento Transmission Fluids, and 2021 Sedona Transmission Fluids.

What are the top-rated Transmission Fluids that fit the 2021 Kia Rio?

The one 2021 Kia Rio Transmission Fluid we have in stock is the Full Synthetic Continuously Variable Transmission (CVT) Fluid: 1 Quart. It costs $11.99.

What types of Transmission Fluids do you sell for my 2021 Kia Rio?

As of 4/10/25, these are some of the most in-demand types of Transmission Fluids for a 2021 Kia Rio:

Can I get help with 2021 Kia Rio Transmission Fluid orders?

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

What is your return policy for Kia Rio Transmission Fluids?

Advance Auto Parts keeps returns simple. For new Kia Rio Transmission Fluids and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.