1986 Pontiac Fiero Oil Type & Capacity
The 1986 Pontiac Fiero oil type depends on the engine: the Base, Automatic takes 5W-30 (3.0 quarts with filter); the Base, Standard takes 5W-30 (3.0 quarts with filter); the GT, Automatic takes 5W-30 (4.0 quarts with filter); the GT, Standard takes 5W-30 (4.0 quarts with filter); the SE, 2.5 R, Automatic takes 5W-30 (3.0 quarts with filter); the SE, 2.5 R, Standard takes 5W-30 (3.0 quarts with filter); the SE, 2.8 9, Automatic takes 5W-30 (4.0 quarts with filter); the SE, 2.8 9, Standard, HM-282/MG2 takes 5W-30 (4.0 quarts with filter); the SE, 2.8 9, Standard, M17 takes 5W-30 (4.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base, Automatic: 5W-30, 3.0 quarts with filter
- Base, Standard: 5W-30, 3.0 quarts with filter
- GT, Automatic: 5W-30, 4.0 quarts with filter
- GT, Standard: 5W-30, 4.0 quarts with filter
- SE, 2.5 R, Automatic: 5W-30, 3.0 quarts with filter
- SE, 2.5 R, Standard: 5W-30, 3.0 quarts with filter
- SE, 2.8 9, Automatic: 5W-30, 4.0 quarts with filter
- SE, 2.8 9, Standard, HM-282/MG2: 5W-30, 4.0 quarts with filter
- SE, 2.8 9, Standard, M17: 5W-30, 4.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, Automatic — 2.5L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 3.00 QTS. | — | — |
| Base, Standard — 2.5L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 3.00 QTS. | — | — |
| GT, Automatic — 2.8L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| GT, Standard — 2.8L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| SE, 2.5 R, Automatic — 2.5L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 3.00 QTS. | — | — |
| SE, 2.5 R, Standard — 2.5L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 3.00 QTS. | — | — |
| SE, 2.8 9, Automatic — 2.8L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| SE, 2.8 9, Standard, HM-282/MG2 — 2.8L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
| SE, 2.8 9, Standard, M17 — 2.8L Eng | SAE 5W-30 (Preferred) (Below -20Deg.F to 100Deg.F), 10W-30 (0Deg.F to over 100Deg.F), 15W-40 (10Deg.F to over 100Deg.F), 20W-20 (20Deg.F to over 100Deg.F), 30 (40Deg.F to over 100Deg.F) | 4.00 QTS. | — | — |
Buy the right oil
Buy 5W-30 motor oil on Amazon1986 Pontiac Fiero oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your Fiero
1986 Pontiac Fiero factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
13.8 quarts (13.05 L) — 50/50 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1986 Pontiac Fiero take?
It depends on the engine: Base, Automatic uses 5W-30; Base, Standard uses 5W-30; GT, Automatic uses 5W-30; GT, Standard uses 5W-30; SE, 2.5 R, Automatic uses 5W-30; SE, 2.5 R, Standard uses 5W-30; SE, 2.8 9, Automatic uses 5W-30; SE, 2.8 9, Standard, HM-282/MG2 uses 5W-30; SE, 2.8 9, Standard, M17 uses 5W-30.
How much oil does a 1986 Pontiac Fiero take?
Capacity depends on the engine: Base, Automatic holds 3.0 quarts with filter; Base, Standard holds 3.0 quarts with filter; GT, Automatic holds 4.0 quarts with filter; GT, Standard holds 4.0 quarts with filter; SE, 2.5 R, Automatic holds 3.0 quarts with filter; SE, 2.5 R, Standard holds 3.0 quarts with filter; SE, 2.8 9, Automatic holds 4.0 quarts with filter; SE, 2.8 9, Standard, HM-282/MG2 holds 4.0 quarts with filter; SE, 2.8 9, Standard, M17 holds 4.0 quarts with filter.
Can I use synthetic oil in my 1986 Pontiac Fiero?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1986 Pontiac Fiero. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.