1991 Hyundai Scoupe Oil Type & Capacity: 20W-20 (3.2 quarts)
The 1991 Hyundai Scoupe takes 20W-20 motor oil — 3.2 quarts with a filter change, per the factory service manual.
Factory-spec answer
20W-20 — 3.2 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, Automatic | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 3.20 QTS. | — | — |
| Base, Standard | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 3.20 QTS. | — | — |
| LS, Automatic | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 3.20 QTS. | — | — |
| LS, Standard | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 3.20 QTS. | — | — |
| SE, Automatic | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 3.20 QTS. | — | — |
| SE, Standard | API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F) | 3.20 QTS. | — | — |
More factory specs & repair guides for your Scoupe
🛞 1991 Hyundai Scoupe Tire Size & Pressure →🌧️ 1991 Hyundai Scoupe Wiper Blade Sizes →💡 1991 Hyundai Scoupe Light Bulb Sizes →📖 1991 Hyundai Scoupe Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
5.6 quarts (5.29 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water. The engine coolant should be compatible with aluminum engine parts.
Frequently asked questions
What type of oil does a 1991 Hyundai Scoupe take?
The 1991 Hyundai Scoupe takes 20W-20 motor oil (API - SAE 20W-20/40/50 (32Deg.F to Above 120Deg.F), 10W-30/40/50 (-10Deg.F to Above 120Deg.F), 5W-30/40 (Below -20Deg.F to 60Deg.F)), per the factory service manual.
What is the oil capacity of a 1991 Hyundai Scoupe?
The 1991 Hyundai Scoupe oil capacity is 3.2 quarts with a filter change.
How often should I change the oil in my 1991 Hyundai Scoupe?
Most 1991 Hyundai Scoupe 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 — Hyundai recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1991 Hyundai Scoupe?
Yes. 20W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Hyundai Scoupe. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.