2026 Audi A8 Quattro Differentials

Keep Your 2026 Audi A8 Quattro in Top Shape with Quality Differentials

Whether you’re repairing or upgrading your Differential, using high-quality parts is key to keeping your 2026 Audi A8 Quattro looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Differential Oil. 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 Differentials from Trusted Brands

Looking for a reliable Differential? We’ve got you covered with options from brands you know and trust like Valvoline. For example, Valvoline Differentials start at just $69.99 with an average 4.8 star rating. With over 364 reviews and a solid 5 star average, you can shop with confidence knowing other Audi A8 Quattro owners approve.

Competitive Prices and Extensive Inventory

The average price for a 2026 Audi A8 Quattro Differential at Advance Auto Parts is around $34.66, with a range that starts at $14.99 and goes up to $69.99. With 3 options in stock from one trusted brand, finding the right fit is easy. Popular picks like Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart and Hybrid ATF Full Synthetic Automatic Transmission Fluid, 1 Quart start at just $14.99 and offer a great balance of form and function.

Essential 2026 Audi A8 Quattro Differentials

Mobil 1 – 75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart (Part No.26101)

75W-90 Full Synthetic Gear Lubricant, Extends Gear Life, 1 Quart

from

$19.99
Mobil 1 Synthetic Gear Lubricant LS 75W-90 is a supreme, multi-purpose automotive gear lubricant that helps to provide exceptional thermal stability and resistance to high temperature oxidation, extending gear life due to minimal deposits. Helps to deliver outstanding protection against low speed/high torque wear with the capability to handle severe driving conditions while delivering smooth efficient performance. Mobil 1 Synthetic Gear Lubricant LS provides exceptional shear stability, corrosion protection, and enhanced frictional properties. Compared to conventional hypoid gear lubricants, Mobil 1 LS 75W-90 performs exceptionally over a wide range of temperatures to reduce wear at start up. Mobil 1 gear lube helps to minimize leakage and reduce contamination while providing good resistance to foaming to maintain film strength for reliable lubrication. Meets or exceeds the requirements of the following industry specifications: API GL-5.

Product Features:
  • Mobil 1 LS synthetic automotive gear lubricant exceeds the highest level of performance requirements of modern passenger vehicles
  • Helps to provide exceptional thermal stability and resistance to high temperature oxidation and extend gear life due to minimal deposits
  • Delivers outstanding protection against low speed/high torque wear, handling severe driving conditions with smooth, efficient performance
  • Compared to conventional hypoid gear lubricants, performs exceptionally over a wide range of temperatures to reduce wear at start up
  • Provides exceptional shear stability, corrosion protection, and enhanced frictional properties
  • Manufacturer Part Number: 104361
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Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (Part No.889785)

Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart

from

$18.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil, the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Our unique new flexible pouch makes getting into the tightest places to lubricate gears easier than ever and with less waste. The superior detergent package-based formulation contains fully synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance.

Product Features:
  • FLEXIBLE POUCH FOR EASIER USE WITH LESS WASTE in tight, hard to reach undercarriage situations.
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -30F to 300F degrees for dependable coverage year-round
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
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Valvoline – Hybrid ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.898795)

Hybrid ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$14.99
Valvoline is the No. 1 ATF brand, and now we’ve taken it to the next level with our hybrid performance fluid: Valvoline Full Synthetic Hybrid Automatic Transmission Fluid. Specifically designed for hardworking hybrids, Valvoline Full Synthetic Hybrid ATF is suitable for use in more than 95% of hybrid vehicles in operation with registered US ATF full hybrid vehicles (not including mild hybrids, traditional CVT or DCT hybrid models). Valvoline Full Synthetic Hybrid ATF is proven to maximize transmission life, and it’s compatible with copper and the coatings on copper in hybrid transmission, providing greater oxidation stability, insulation for the electrical current, and increased heat transfer capabilities to protect against transmission failure. Look for Valvoline’s complete lineup of hybrid performance fluids, including motor oil and antifreeze/coolant ¿ from the brand trusted for over 150 years.

Product Features:
  • Full synthetic hybrid ATF with Copper Care Technology, from the No. 1 ATF brand
  • Enhanced protection against corrosion that can result in hybrid transmission failure
  • Protects electrical systems maximizing transmission efficiency
  • Increased heat transfer capabilities to protect against higher temperatures produced by hybrids
See More

Valvoline – SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Gallon (Part No.887344)

SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Gallon

from

$69.99
Valvoline SAE 75W-140 Full Synthetic Gear Oil provides the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Engineered to outperform, our formulation provides exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity and wear resistance, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. It’s recommended for conventional rear axles and transmissions requiring EP gear lubes under high speed, high load, high torque and high horsepower conditions.

Product Features:
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -22F to 390F degrees
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Ford M2C-192A, GM 12346140, Chrysler MS-8985 and API GL-5
See More

Most Popular Differential Oil for 2026 Audi A8 Quattros

Enhance your 2026 Audi A8 Quattro with one of the 3 Differential Oil we have in stock, starting at just $14.99.

Valvoline – SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Gallon (Part No.887344)

SynPower Transmission & Differential Gear Oil: Full Synthetic 75W-140, 1 Gallon

from

$69.99
Valvoline SAE 75W-140 Full Synthetic Gear Oil provides the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Engineered to outperform, our formulation provides exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity and wear resistance, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. It’s recommended for conventional rear axles and transmissions requiring EP gear lubes under high speed, high load, high torque and high horsepower conditions.

Product Features:
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -22F to 390F degrees
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • FIGHTS CORROSION AND RUST with emulsifying agents and safeguards against impurities, oxidation and thermal breakdown
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Ford M2C-192A, GM 12346140, Chrysler MS-8985 and API GL-5
See More

Valvoline – Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart (Part No.889785)

Flex Fill Transmission & Differential Gear Oil: Full Synthetic 75W-90, 1 Quart

from

$18.99
We’ve squeezed innovation into every ounce of Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil, the ultimate gear protection in hypoid rear differentials and non-synchronized manual transmissions. Our unique new flexible pouch makes getting into the tightest places to lubricate gears easier than ever and with less waste. The superior detergent package-based formulation contains fully synthetic basestocks and special additives that help protect parts from rust and corrosion while providing exceptional high and low temperature protection and excellent thermal stability, especially in demanding driving situations such as towing and off-roading. It contains an extreme pressure additive for better load carrying capacity, wear resistance additives that assist in protecting gear teeth, a limited slip additive for optimal clutch pack performance, and an anti-foaming agent for better lubrication and service life. Valvoline FlexFill SAE 75W-90 Full Synthetic Gear Oil is recommended for use in axle applications requiring factory-fill or drain-and-fill levels for limited slip performance.

Product Features:
  • FLEXIBLE POUCH FOR EASIER USE WITH LESS WASTE in tight, hard to reach undercarriage situations.
  • EXCEPTIONAL HIGH AND LOW TEMPERATURE PROTECTION ranging from -30F to 300F degrees for dependable coverage year-round
  • REDUCES CHATTERING AND PROTECTS GEAR TEETH from oxidation, rust, and wear
  • MEETS THE DEMANDS OF CONVENTIONAL AND LIMITED SLIP REAR DIFFERENTIALS where API GL-5 is specified, as well as non-synchronized manual transmissions that require API GL-4 or MT-1 fluid
  • MEETS OR EXCEEDS PERFORMANCE REQUIREMENTS for Mack GO-H and GO-J; API GL-5 and API MT-1; MIL-PRF-2105E; and SAE J2360
See More

Valvoline – Hybrid ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.898795)

Hybrid ATF Full Synthetic Automatic Transmission Fluid, 1 Quart

from

$14.99
Valvoline is the No. 1 ATF brand, and now we’ve taken it to the next level with our hybrid performance fluid: Valvoline Full Synthetic Hybrid Automatic Transmission Fluid. Specifically designed for hardworking hybrids, Valvoline Full Synthetic Hybrid ATF is suitable for use in more than 95% of hybrid vehicles in operation with registered US ATF full hybrid vehicles (not including mild hybrids, traditional CVT or DCT hybrid models). Valvoline Full Synthetic Hybrid ATF is proven to maximize transmission life, and it’s compatible with copper and the coatings on copper in hybrid transmission, providing greater oxidation stability, insulation for the electrical current, and increased heat transfer capabilities to protect against transmission failure. Look for Valvoline’s complete lineup of hybrid performance fluids, including motor oil and antifreeze/coolant ¿ from the brand trusted for over 150 years.

Product Features:
  • Full synthetic hybrid ATF with Copper Care Technology, from the No. 1 ATF brand
  • Enhanced protection against corrosion that can result in hybrid transmission failure
  • Protects electrical systems maximizing transmission efficiency
  • Increased heat transfer capabilities to protect against higher temperatures produced by hybrids
See More

Top-Rated Differential Brands For Your 2026 Audi A8 Quattro

When it comes to finding the perfect Differential for your 2026 Audi A8 Quattro, Advance Auto Parts has you covered with a wide selection of high-quality OEM and aftermarket options from 1 trusted brands. We carry the most popular Differential 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 $69.99. Purchasing a Differential from us here at Advance Auto Parts is a smart move for both you and your 2026 Audi A8 Quattro, providing peace of mind with parts that meet or exceed OEM standards.

Popular Valvoline 2026 Audi A8 Quattro Differentials

If you’re looking for a top-quality Differential for your 2026 Audi A8 Quattro, Advance Auto Parts has exactly what you need with our selection of Valvoline Differentials. We have 1 Valvoline Differentials in stock for this fitment, all known for their durability and precision fit. With prices starting at just $69.99, you’ll find the perfect Differential for your needs and budget. Valvoline Differentials for the 2026 Audi A8 Quattro come highly rated, with over 364 customer reviews and an impressive average rating of 4.8 stars. Choosing a Valvoline Differential from Advance Auto Parts is a smart move to ensure quality and value for your vehicle.

FAQs for 2026 Audi A8 Quattro Differentials

What are the best-selling Differentials for 2026 Audi A8 Quattros?

Out of 3 Differentials that fit 2026 Audi A8 Quattros, the following parts are the top sellers:

What’s the price range for 2026 Audi A8 Quattro Differentials?

The prices of Differentials for the 2026 Audi A8 Quattro range from $14.99 up to $69.99 for the most premium parts.

What is the average price of a Differential for a 2026 Audi A8 Quattro?

The average price for Differentials for the 2026 Audi A8 Quattro is $34.66. Keep in mind the variety of part types within our Differential category, where you are likely to find a wide range of prices across a variety of parts and components.

Does Advance Auto Parts sell Differentials for other Audi A8 Quattro model years?

Yes, we carry Differentials for 28 model years of Audi A8 Quattros between 1997 and 2025. The following model years are the most popular for Differential purchases: 2010, 2009, 2008, 2007, 2006, 2005, 2004, 2003, and 2002.

What are the cheapest Differentials for my 2026 Audi A8 Quattro?

Does Advance Auto Parts sell Differentials for any other 2026 Audi models?

Yes. We stock Differentials for 2 other popular 2026 Audi models. Some of the most popular are 2026 A3 Quattro Differentials, 2026 Q7 Differentials, and 2026 S8 Differentials.

What are the top-rated Differentials that fit the 2026 Audi A8 Quattro?

The one 2026 Audi A8 Quattro Differential we have in stock is the Hybrid ATF Full Synthetic Automatic Transmission Fluid, 1 Quart. It costs $14.99.

What types of Differentials do you sell for my 2026 Audi A8 Quattro?

We currently have just 1 Differential in stock for a 2026 Audi A8 Quattro, and as of 11/2/25, it is a Differential Oil.

Can I get help with 2026 Audi A8 Quattro Differential orders?

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

What is your return policy for Audi A8 Quattro Differentials?

Advance Auto Parts keeps returns simple. For new Audi A8 Quattro Differentials and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.