1991 GMC Jimmy Oil Type & Capacity
The 1991 GMC Jimmy oil type depends on the engine: the 5.7 K, Automatic, 4L60/MD8 takes 5W-30 (5.0 quarts with filter); the 5.7 K, Automatic, 700R4/MD8 takes 5W-30 (5.0 quarts with filter); the 5.7 K, Standard takes 5W-30 (5.0 quarts with filter); the 6.2 C, 4L60/MD8 takes 10W-30 (7.0 quarts with filter); the 6.2 C, 700R4/MD8 takes 10W-30 (7.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 5.7 K, Automatic, 4L60/MD8: 5W-30, 5.0 quarts with filter
- 5.7 K, Automatic, 700R4/MD8: 5W-30, 5.0 quarts with filter
- 5.7 K, Standard: 5W-30, 5.0 quarts with filter
- 6.2 C, 4L60/MD8: 10W-30, 7.0 quarts with filter
- 6.2 C, 700R4/MD8: 10W-30, 7.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 5.7 K, Automatic, 4L60/MD8 — V1500,5.7L Eng | API - SAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), Heavy Duty, SAE 5W30 (Below 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | — | 4.00 QTS. | — |
| 5.7 K, Automatic, 4L60/MD8 — V1500 | API - SAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), Heavy Duty, SAE 5W30 (Below 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 5.7 K, Automatic, 700R4/MD8 — V1500,5.7L Eng | API - SAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), Heavy Duty, SAE 5W30 (Below 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | — | 4.00 QTS. | — |
| 5.7 K, Automatic, 700R4/MD8 — V1500 | API - SAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), Heavy Duty, SAE 5W30 (Below 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 5.7 K, Standard — V1500,5.7L Eng | API - SAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), Heavy Duty, SAE 5W30 (Below 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | — | 4.00 QTS. | — |
| 5.7 K, Standard — V1500 | API - SAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), Heavy Duty, SAE 5W30 (Below 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 6.2 C, 4L60/MD8 — V1500,6.2L Eng | API - SAE 10W-30 (Below 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (32Deg.F to Above 100Deg.F) | 7.00 QTS. | — | — |
| 6.2 C, 4L60/MD8 — V1500 | API - SAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), Heavy Duty, SAE 5W30 (Below 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 6.2 C, 700R4/MD8 — V1500,6.2L Eng | API - SAE 10W-30 (Below 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (32Deg.F to Above 100Deg.F) | 7.00 QTS. | — | — |
| 6.2 C, 700R4/MD8 — V1500 | API - SAE 5W-30 (Below 0Deg.F to Above 100Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), Heavy Duty, SAE 5W30 (Below 60Deg.F), 10W-30 (0Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
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More specs & repair guides for your Jimmy
1991 GMC Jimmy factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
25.0 quarts (23.65 L) — 56/44 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1991 GMC Jimmy take?
It depends on the engine: 5.7 K, Automatic, 4L60/MD8 uses 5W-30; 5.7 K, Automatic, 700R4/MD8 uses 5W-30; 5.7 K, Standard uses 5W-30; 6.2 C, 4L60/MD8 uses 10W-30; 6.2 C, 700R4/MD8 uses 10W-30.
How much oil does a 1991 GMC Jimmy take?
Capacity depends on the engine: 5.7 K, Automatic, 4L60/MD8 holds 5.0 quarts with filter; 5.7 K, Automatic, 700R4/MD8 holds 5.0 quarts with filter; 5.7 K, Standard holds 5.0 quarts with filter; 6.2 C, 4L60/MD8 holds 7.0 quarts with filter; 6.2 C, 700R4/MD8 holds 7.0 quarts with filter.
Can I use synthetic oil in my 1991 GMC Jimmy?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 GMC Jimmy. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.