1990 Audi Coupe Quattro Oil Type & Capacity
The 1990 Audi Coupe Quattro takes 5W-20 motor oil — 5.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-20 — 5.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Coupe Quattro | 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 85Deg.F), 20W-40/50 (15Deg.F to 85Deg.F) | 5.00 QTS. | 4.50 QTS. | — |
Buy the right oil
Buy 5W-20 motor oil on Amazon1990 Audi Coupe Quattro oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your Coupe Quattro
1990 Audi Coupe Quattro factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
8.6 quarts (8.13 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water. Use Phosphate-free Antifreeze.
Frequently asked questions
What type of oil does a 1990 Audi Coupe Quattro take?
The 1990 Audi Coupe 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 85Deg.F), 20W-40/50 (15Deg.F to 85Deg.F)), per the factory service manual.
How much oil does a 1990 Audi Coupe Quattro take?
The 1990 Audi Coupe Quattro holds 5.0 quarts with a filter change, or 4.5 quarts without changing the filter.
Can I use synthetic oil in my 1990 Audi Coupe Quattro?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1990 Audi Coupe Quattro. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.