1991 Audi V8 Quattro Oil Type & Capacity
The 1991 Audi V8 Quattro takes 5W-20 motor oil — 8.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 8.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Automatic | API - SAE 5W-20/30 (Below -15Deg.F to 20Deg.F), 10W-30/40 (-5Deg.F to 65Deg.F), 15W-40/50 (10Deg.F to Above 85Deg.F), 20W-40/50 (15Deg.F to Above 85Deg.F) | 8.50 QTS. | — | — |
| Standard | API - SAE 5W-20/30 (Below -15Deg.F to 20Deg.F), 10W-30/40 (-5Deg.F to 65Deg.F), 15W-40/50 (10Deg.F to Above 85Deg.F), 20W-40/50 (15Deg.F to Above 85Deg.F) | 8.50 QTS. | — | — |
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More specs & repair guides for your V8 Quattro
1991 Audi V8 Quattro factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
2.2 quarts (8.32 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water. Use Phosphate-free Antifreeze.
Frequently asked questions
What type of oil does a 1991 Audi V8 Quattro take?
The 1991 Audi V8 Quattro takes 5W-20 motor oil (API - SAE 5W-20/30 (Below -15Deg.F to 20Deg.F), 10W-30/40 (-5Deg.F to 65Deg.F), 15W-40/50 (10Deg.F to Above 85Deg.F), 20W-40/50 (15Deg.F to Above 85Deg.F)), per the factory service manual.
How much oil does a 1991 Audi V8 Quattro take?
The 1991 Audi V8 Quattro holds 8.5 quarts with a filter change.
Can I use synthetic oil in my 1991 Audi V8 Quattro?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Audi V8 Quattro. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.