2003 Audi A6 Oil Type & Capacity

The 2003 Audi A6 oil type depends on the engine: the Avant Quattro takes 0W-30 (6.8 quarts qt with filter); the Base takes 0W-30 (6.8 quarts qt with filter); the Quattro, 2.7 D, Automatic takes 0W-30 (6.9 quarts qt with filter); the Quattro, 2.7 D, Standard takes 0W-30 (6.9 quarts qt with filter); the Quattro, 3.0 T takes 0W-30 (6.8 quarts qt with filter); the Quattro, 4.2 L takes 0W-30 (8.0 quarts qt with filter), per the factory service manual.

Factory-spec answer

It depends on the engine:

Oil capacity by engine

EngineOil Type (viscosity)Capacity w/ FilterCapacity w/o FilterNotes
Avant Quattro — 3.0L EngSAE 0W-30. Petroleum or synthetic based oils. Engine oil must conform to the exact specification in VW publication VW 502 00. See TSB No. 17 09-07 (2012855).6.80 QTS.Use only a high-quality engine oil that expressly complies with the AUDI oil quality standard specified for your vehicle's engine. Using any other oil can cause serious engine damage that will not be covered by any AUDI Limited Warranty. DO NOT mix lubricants or other additives into the engine oil. Doing so can cause engine damage. Damaged caused by these kinds of additives are not covered by any AUDI Limited Warranty. Overfilling engine oil can cause misfire DTC's to be stored in the Engine Control Module (ECM) -J220-. To prevent overfilling, add approx. 0.5 less than capacity, start engine and let it run until engine operating temperature is approx. 140Deg. F (60Deg. C), turn OFF ignition, wait approx. 3 min., check dipstick, then fill to MAX. TURBO ENGINES ONLY: After changing oil and filter, start and run engine at idle until oil pressure light goes out. DO NOT rev engine, as this could cause damage/failure of the turbocharger. Quantities are approximate. DO NOT overfill.
Base — 3.0L EngSAE 0W-30. Petroleum or synthetic based oils. Engine oil must conform to the exact specification in VW publication VW 502 00. See TSB No. 17 09-07 (2012855).6.80 QTS.Use only a high-quality engine oil that expressly complies with the AUDI oil quality standard specified for your vehicle's engine. Using any other oil can cause serious engine damage that will not be covered by any AUDI Limited Warranty. DO NOT mix lubricants or other additives into the engine oil. Doing so can cause engine damage. Damaged caused by these kinds of additives are not covered by any AUDI Limited Warranty. Overfilling engine oil can cause misfire DTC's to be stored in the Engine Control Module (ECM) -J220-. To prevent overfilling, add approx. 0.5 less than capacity, start engine and let it run until engine operating temperature is approx. 140Deg. F (60Deg. C), turn OFF ignition, wait approx. 3 min., check dipstick, then fill to MAX. TURBO ENGINES ONLY: After changing oil and filter, start and run engine at idle until oil pressure light goes out. DO NOT rev engine, as this could cause damage/failure of the turbocharger. Quantities are approximate. DO NOT overfill.
Quattro, 2.7 D, Automatic — 2.7L EngSAE 0W-30. Petroleum or synthetic based oils. Engine oil must conform to the exact specification in VW publication VW 502 00. See TSB No. 17 09-07 (2012855).6.90 QTS.Use only a high-quality engine oil that expressly complies with the AUDI oil quality standard specified for your vehicle's engine. Using any other oil can cause serious engine damage that will not be covered by any AUDI Limited Warranty. DO NOT mix lubricants or other additives into the engine oil. Doing so can cause engine damage. Damaged caused by these kinds of additives are not covered by any AUDI Limited Warranty. Overfilling engine oil can cause misfire DTC's to be stored in the Engine Control Module (ECM) -J220-. To prevent overfilling, add approx. 0.5 less than capacity, start engine and let it run until engine operating temperature is approx. 140Deg. F (60Deg. C), turn OFF ignition, wait approx. 3 min., check dipstick, then fill to MAX. TURBO ENGINES ONLY: After changing oil and filter, start and run engine at idle until oil pressure light goes out. DO NOT rev engine, as this could cause damage/failure of the turbocharger. Quantities are approximate. DO NOT overfill.
Quattro, 2.7 D, Standard — 2.7L EngSAE 0W-30. Petroleum or synthetic based oils. Engine oil must conform to the exact specification in VW publication VW 502 00. See TSB No. 17 09-07 (2012855).6.90 QTS.Use only a high-quality engine oil that expressly complies with the AUDI oil quality standard specified for your vehicle's engine. Using any other oil can cause serious engine damage that will not be covered by any AUDI Limited Warranty. DO NOT mix lubricants or other additives into the engine oil. Doing so can cause engine damage. Damaged caused by these kinds of additives are not covered by any AUDI Limited Warranty. Overfilling engine oil can cause misfire DTC's to be stored in the Engine Control Module (ECM) -J220-. To prevent overfilling, add approx. 0.5 less than capacity, start engine and let it run until engine operating temperature is approx. 140Deg. F (60Deg. C), turn OFF ignition, wait approx. 3 min., check dipstick, then fill to MAX. TURBO ENGINES ONLY: After changing oil and filter, start and run engine at idle until oil pressure light goes out. DO NOT rev engine, as this could cause damage/failure of the turbocharger. Quantities are approximate. DO NOT overfill.
Quattro, 3.0 T — 3.0L EngSAE 0W-30. Petroleum or synthetic based oils. Engine oil must conform to the exact specification in VW publication VW 502 00. See TSB No. 17 09-07 (2012855).6.80 QTS.Use only a high-quality engine oil that expressly complies with the AUDI oil quality standard specified for your vehicle's engine. Using any other oil can cause serious engine damage that will not be covered by any AUDI Limited Warranty. DO NOT mix lubricants or other additives into the engine oil. Doing so can cause engine damage. Damaged caused by these kinds of additives are not covered by any AUDI Limited Warranty. Overfilling engine oil can cause misfire DTC's to be stored in the Engine Control Module (ECM) -J220-. To prevent overfilling, add approx. 0.5 less than capacity, start engine and let it run until engine operating temperature is approx. 140Deg. F (60Deg. C), turn OFF ignition, wait approx. 3 min., check dipstick, then fill to MAX. TURBO ENGINES ONLY: After changing oil and filter, start and run engine at idle until oil pressure light goes out. DO NOT rev engine, as this could cause damage/failure of the turbocharger. Quantities are approximate. DO NOT overfill.
Quattro, 4.2 L — 4.2L EngSAE 0W-30. Petroleum or synthetic based oils. Engine oil must conform to the exact specification in VW publication VW 505 01. See TSB No. 17 09-07 (2012855).8.00 QTS.Use only a high-quality engine oil that expressly complies with the AUDI oil quality standard specified for your vehicle's engine. Using any other oil can cause serious engine damage that will not be covered by any AUDI Limited Warranty. DO NOT mix lubricants or other additives into the engine oil. Doing so can cause engine damage. Damaged caused by these kinds of additives are not covered by any AUDI Limited Warranty. Overfilling engine oil can cause misfire DTC's to be stored in the Engine Control Module (ECM) -J220-. To prevent overfilling, add approx. 0.5 less than capacity, start engine and let it run until engine operating temperature is approx. 140Deg. F (60Deg. C), turn OFF ignition, wait approx. 3 min., check dipstick, then fill to MAX. TURBO ENGINES ONLY: After changing oil and filter, start and run engine at idle until oil pressure light goes out. DO NOT rev engine, as this could cause damage/failure of the turbocharger. Quantities are approximate. DO NOT overfill.
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More factory specs & repair guides for your A6

🛞 2003 Audi A6 Tire Size & Pressure →🌧️ 2003 Audi A6 Wiper Blade Sizes →💡 2003 Audi A6 Light Bulb Sizes →📖 2003 Audi A6 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)

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Coolant capacity

8.5 quarts (8.04 L) — Phosphate Free Coolant., G 012 A8F A4 (Purple Colored). DO NOT interchange or mix older G 011 A8 C or G 012 A8 D with G 012 A8F A4. This can result in serious damage to the engine.

Frequently asked questions

What type of oil does a 2003 Audi A6 take?

It depends on the engine: Avant Quattro uses 0W-30; Base uses 0W-30; Quattro, 2.7 D, Automatic uses 0W-30; Quattro, 2.7 D, Standard uses 0W-30; Quattro, 3.0 T uses 0W-30; Quattro, 4.2 L uses 0W-30.

What is the oil capacity of a 2003 Audi A6?

Oil capacity depends on the engine: Avant Quattro holds 6.8 quarts with filter; Base holds 6.8 quarts with filter; Quattro, 2.7 D, Automatic holds 6.9 quarts with filter; Quattro, 2.7 D, Standard holds 6.9 quarts with filter; Quattro, 3.0 T holds 6.8 quarts with filter; Quattro, 4.2 L holds 8.0 quarts with filter.

How often should I change the oil in my 2003 Audi A6?

Most 2003 Audi A6 owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Audi recommends intervals based on driving conditions, not just mileage.

Can I use synthetic oil in my 2003 Audi A6?

Yes. 0W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2003 Audi A6. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.

Other Audi A6 years

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