2005 Audi A8 Oil Type & Capacity
The 2005 Audi A8 oil type depends on the engine: the L Quattro, 4.2 L takes 0W-30 (8.0 quarts qt with filter); the L Quattro, 6.0 R takes 0W-30 (13.2 quarts qt with filter); the Quattro takes 0W-30 (8.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- L Quattro, 4.2 L: 0W-30, 8.0 quarts with filter
- L Quattro, 6.0 R: 0W-30, 13.2 quarts with filter
- Quattro: 0W-30, 8.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| L Quattro, 4.2 L — 4.2L Eng | SAE 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). | 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. |
| L Quattro, 6.0 R — 6.0L Eng | SAE 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). | 13.20 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 — 4.2L Eng | SAE 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). | 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. |
Complete Oil Change Bundle for 2005 Audi A8
Everything you need delivered in one order. Pre-matched to your factory spec (0W-30, 8.0 quarts).
As an Amazon Associate we earn from qualifying purchases. Prices shown are real-time retail estimates.
Buy the right oil & filter for your A8
🛒 Buy 0W-30 Full Synthetic Oil (8.0 quarts needed) on Amazon💡 Capacity Note: Your 2005 Audi A8 holds 8.0 quarts with filter. Since standard jugs are 5 quarts, be sure to pick up extra 1-quart bottles or a 2-pack to reach the full mark on the dipstick.
Popular Full Synthetic Brands (0W-30):
As an Amazon Associate we earn from qualifying purchases made through these links.
More factory specs & repair guides for your A8
🛞 2005 Audi A8 Tire Size & Pressure →🌧️ 2005 Audi A8 Wiper Blade Sizes →💡 2005 Audi A8 Light Bulb Sizes →📖 2005 Audi A8 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
14.8 quarts (14 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 2005 Audi A8 take?
It depends on the engine: L Quattro, 4.2 L uses 0W-30; L Quattro, 6.0 R uses 0W-30; Quattro uses 0W-30.
What is the oil capacity of a 2005 Audi A8?
Oil capacity depends on the engine: L Quattro, 4.2 L holds 8.0 quarts with filter; L Quattro, 6.0 R holds 13.2 quarts with filter; Quattro holds 8.0 quarts with filter.
How often should I change the oil in my 2005 Audi A8?
Most 2005 Audi A8 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 2005 Audi A8?
Yes. 0W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2005 Audi A8. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.