1990 Pontiac 6000 Oil Type & Capacity: 5W-30 (4.0 quarts)
The 1990 Pontiac 6000 takes 5W-30 motor oil — 4.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| LE, 4D Sedan, 2.5 R — 2.5L Eng | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LE, 4D Sedan, 3.1 T, 125C/MD9 — 3.1L Eng | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LE, 4D Sedan, 3.1 T, 4T60/ME9 — 3.1L Eng | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LE, 4D Wagon, 2.5 R — 2.5L Eng | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| LE, 4D Wagon, 3.1 T — 3.1L Eng | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| SE, 4D Sedan, AWD, 3T40A — 3.1L Eng | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| SE, 4D Sedan, AWD, THA1 — 3.1L Eng | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| SE, 4D Sedan, FWD — 3.1L Eng | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
| SE, 4D Wagon — 3.1L Eng | API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 4.00 QTS. | — | — |
More factory specs & repair guides for your 6000
🛞 1990 Pontiac 6000 Tire Size & Pressure →🌧️ 1990 Pontiac 6000 Wiper Blade Sizes →💡 1990 Pontiac 6000 Light Bulb Sizes →📖 1990 Pontiac 6000 Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
13.2 quarts (12.49 L) — 56/46 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1990 Pontiac 6000 take?
The 1990 Pontiac 6000 takes 5W-30 motor oil (API - SAE 5W-30 (Preferred) (Below -20Deg.F to Above 100Deg.F), 10W-30 (0Deg.F to Above 100Deg.F)), per the factory service manual.
What is the oil capacity of a 1990 Pontiac 6000?
The 1990 Pontiac 6000 oil capacity is 4.0 quarts with a filter change.
How often should I change the oil in my 1990 Pontiac 6000?
Most 1990 Pontiac 6000 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 — Pontiac recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1990 Pontiac 6000?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1990 Pontiac 6000. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.