2003 Audi A8 QUATTRO Oil Capacity, Types, & Filters

Your ultimate DIY maintenance guide for the 2003 Audi A8 QUATTRO oil change is here! No more searching – find all the critical oil specs for your 2003 Audi A8 QUATTRO, including exact engine oil capacity, the manufacturer recommended oil viscosity and type, and the correct OEM and aftermarket oil filters.

We cover all available engine options categorized by their specific engine codes, ensuring you get pinpoint accuracy for your specific vehicle configuration. Keep reading to discover everything required for a successful 2003 Audi A8 QUATTRO oil change!

Scroll Table ➜

Engine & Code	Oil Capacity	Oil Viscosity/Type	Oil Filter
4.2L 8-cylinder [L] ART AKB C	7.9 quarts (with filter)	SAE 5W-40, SAE 5W-30, SAE 0W-40, SAE 0W-30 (All TEMPS)	Audi 021-115-562-A
4.2L 8-cylinder [L] AUX L	7.6 quarts (with filter)	SAE 5W-40, SAE 5W-30, SAE 0W-40, SAE 0W-30 (All TEMPS)	Audi 021-115-562-A

Select Your 2003 Audi A8 QUATTRO Engine Option

4.2L 8-cylinder Engine Code [L] ART AKB C

Engine:

4.2L 8-cylinder [L] ART AKB C [aka 4.2L V8 (Gas)]

Body & Trims:

Base, L

Oil Capacity:

7.9 quarts (with filter)

Oil Viscosity/Type:

SAE 5W-40, SAE 5W-30, SAE 0W-40, SAE 0W-30 (All TEMPS)

OEM Oil Filter:

Audi 021-115-562-A

Oil Filter Replaces:

N/A

2003 Audi A8 QUATTRO 4.2L 8-cylinder [L] ART AKB C oil change details

Oil Grade:

SEO03

Oil Capacity:

7.9 quarts. (with filter). Capacity is with the filter installed. Add 0.5 Liters (0.5 quarts) less than the total capacity shown. Start the engine and let it run until it reaches approximately 60°C (140°F). Then, switch the engine off, wait 3 minutes, and check the dipstick. Add oil to reach the full mark. The final amount needed may be more or less than 0.5 Liters (0.5 quarts).

Oil Viscosity/Type:

SAE 5W-40, SAE 5W-30, SAE 0W-40, SAE 0W-30 (All TEMPS) - If a synthetic oil meeting the applicable Audi or Volkswagen quality standard with the recommended viscosity grade is unavailable, be sure to use a viscosity grade suitable for your climate, season, and driving conditions. Ensure the oil meets the listed Audi and Volkswagen oil quality standards.

Name of Oil Filter:

N/A

Wix Oil Filter:

N/A

Wix Air Filter:

N/A

Coolant Capacity:

9.5 quarts

Oil Drain Plug Torque:

26 ft/lbs (Oil Drain Plug)

Notes:

N/A

How much oil does the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] ART AKB C) take?

A complete oil change for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder (with engine code [L] ART AKB C) requires 7.9 quarts (with filter) of engine oil. To ensure safety and performance, always verify the level on the dipstick after refilling.

What type of oil is recommended for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] ART AKB C)?

For optimal engine longevity, the manufacturer recommended motor oil for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder is using:

SAE 5W-40, SAE 5W-30, SAE 0W-40, SAE 0W-30 (All TEMPS)

Ensure the oil you choose meets the SEO03 standard.

What is the best oil filter for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] ART AKB C)?

The factory-recommended OEM oil filter for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder is the Audi 021-115-562-A. If you prefer a top-tier aftermarket option, the Wix or other equivalent found in oil filter cross-reference catalog for this trim is an excellent choice.

What is the oil drain plug torque spec for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] ART AKB C)?

To prevent leaks or stripped oil pan threads, the drain plug on the 2003 Audi A8 QUATTRO 4.2L 8-cylinder should be tightened to exactly 26 ft/lbs (Oil Drain Plug) and we also recommend installing a new crush washer with every oil change.

What is the correct air filter for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] ART AKB C)?

For optimal engine performance and clean airflow, the recommended engine air filter replacement for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder is the Wix or other equivalent found in air filter cross-reference catalog for this trim compatible with your intake system. It is a good maintenance habit to inspect this filter during every oil change.

What is the coolant capacity for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] ART AKB C)?

The total engine coolant (antifreeze) capacity for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder is:

9.5 quarts

Always ensure you use the manufacturer-approved coolant color and type to prevent internal corrosion.

4.2L 8-cylinder Engine Code [L] AUX L

Engine:

4.2L 8-cylinder [L] AUX L [aka 4.2L V8 (Gas)]

Body & Trims:

Base, L

Oil Capacity:

7.6 quarts (with filter)

Oil Viscosity/Type:

SAE 5W-40, SAE 5W-30, SAE 0W-40, SAE 0W-30 (All TEMPS)

OEM Oil Filter:

Audi 021-115-562-A

Oil Filter Replaces:

N/A

2003 Audi A8 QUATTRO 4.2L 8-cylinder [L] AUX L oil change details

Oil Grade:

SEO03

Oil Capacity:

7.6 quarts. (with filter). Capacity is with the filter installed. Add 0.5 Liters (0.5 quarts) less than the total capacity shown. Start the engine and let it run until it reaches approximately 60°C (140°F). Then, switch the engine off, wait 3 minutes, and check the dipstick. Add oil to reach the full mark. The final amount needed may be more or less than 0.5 Liters (0.5 quarts).

Oil Viscosity/Type:

Name of Oil Filter:

N/A

Wix Oil Filter:

N/A

Wix Air Filter:

N/A

Coolant Capacity:

9.5 quarts

Oil Drain Plug Torque:

26 ft/lbs (Oil Drain Plug)

Notes:

N/A

How much oil does the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] AUX L) take?

A complete oil change for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder (with engine code [L] AUX L) requires 7.6 quarts (with filter) of engine oil. To ensure safety and performance, always verify the level on the dipstick after refilling.

What type of oil is recommended for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] AUX L)?

For optimal engine longevity, the manufacturer recommended motor oil for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder is using:

SAE 5W-40, SAE 5W-30, SAE 0W-40, SAE 0W-30 (All TEMPS)

Ensure the oil you choose meets the SEO03 standard.

What is the best oil filter for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] AUX L)?

What is the oil drain plug torque spec for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] AUX L)?

What is the correct air filter for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] AUX L)?

What is the coolant capacity for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder ([L] AUX L)?

The total engine coolant (antifreeze) capacity for the 2003 Audi A8 QUATTRO 4.2L 8-cylinder is:

9.5 quarts

Always ensure you use the manufacturer-approved coolant color and type to prevent internal corrosion.

People also ask – 2003 Audi A8 QUATTRO

What is the oil capacity of a 2003 Audi A8 QUATTRO?

Depending on the specific engine option, the 2003 Audi A8 QUATTRO oil capacity ranges from 7.6 to 7.9 quarts. Here is the exact oil capacity breakdown for each available engine configuration:

• 4.2L 8-cylinder ([L] ART AKB C): 7.9 quarts. (with filter). Capacity is with the filter installed. Add 0.5 Liters (0.5 quarts) less than the total capacity shown. Start the engine and let it run until it reaches approximately 60°C (140°F). Then, switch the engine off, wait 3 minutes, and check the dipstick. Add oil to reach the full mark. The final amount needed may be more or less than 0.5 Liters (0.5 quarts).
• 4.2L 8-cylinder ([L] AUX L): 7.6 quarts. (with filter). Capacity is with the filter installed. Add 0.5 Liters (0.5 quarts) less than the total capacity shown. Start the engine and let it run until it reaches approximately 60°C (140°F). Then, switch the engine off, wait 3 minutes, and check the dipstick. Add oil to reach the full mark. The final amount needed may be more or less than 0.5 Liters (0.5 quarts).

Always check your dipstick after refilling to ensure the proper level.

What type of oil does a 2003 Audi A8 QUATTRO use?

Across its 2 available engine configurations, the 2003 Audi A8 QUATTRO uses the following motor oil viscosities: SAE 5W-40, SAE 5W-30, SAE 0W-40, SAE 0W-30 (All TEMPS). Using the correct manufacturer-approved oil weight is crucial for engine health. Here are the specific oil type requirements by engine:

• 4.2L 8-cylinder ([L] ART AKB C):
Grade: SEO03
SAE 5W-40, SAE 5W-30, SAE 0W-40, SAE 0W-30 (All TEMPS) - If a synthetic oil meeting the applicable Audi or Volkswagen quality standard with the recommended viscosity grade is unavailable, be sure to use a viscosity grade suitable for your climate, season, and driving conditions. Ensure the oil meets the listed Audi and Volkswagen oil quality standards.

• 4.2L 8-cylinder ([L] AUX L):
Grade: SEO03
SAE 5W-40, SAE 5W-30, SAE 0W-40, SAE 0W-30 (All TEMPS) - If a synthetic oil meeting the applicable Audi or Volkswagen quality standard with the recommended viscosity grade is unavailable, be sure to use a viscosity grade suitable for your climate, season, and driving conditions. Ensure the oil meets the listed Audi and Volkswagen oil quality standards.

What is the best oil filter for the 2003 Audi A8 QUATTRO?

The proper oil filter depends on your exact engine code. The 2003 Audi A8 QUATTRO utilizes the following premium aftermarket Wix oil filters across its lineup: . Here is the specific OEM and aftermarket filter data for each engine:

• 4.2L 8-cylinder ([L] ART AKB C):
OEM Filter: Audi 021-115-562-A
Wix Filter: Check Cross-reference Catalog

• 4.2L 8-cylinder ([L] AUX L):
OEM Filter: Audi 021-115-562-A
Wix Filter: Check Cross-reference Catalog

How often should I change the oil in my 2003 Audi A8 QUATTRO?

For modern models running full synthetic oil, oil change intervals are typically every 7,500 to 10,000 miles. However, for older Audi A8 QUATTRO generations (1985-2010) or those using conventional/synthetic-blend fluid, changing the oil and filter every 3,000 to 5,000 miles is highly recommended to prevent sludge buildup. Regardless of engine (4.2L 8-cylinder), you should change your oil at least once a year even if you don’t reach the mileage limit.

Audi A8 QUATTRO – Engine Oil details by Year