1985 GMC Jimmy Oil Type & Capacity
The 1985 GMC Jimmy oil type depends on the engine: the 5.0 H, Automatic takes 5W-30 (5.0 quarts qt with filter); the 5.0 H, Standard, MY6 takes 5W-30 (5.0 quarts qt with filter); the 5.0 H, Standard, SM465/M20 takes 5W-30 (5.0 quarts qt with filter); the 5.7 L takes 5W-30 (7.0 quarts qt with filter); the 6.2 C takes 10W-30 (7.0 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 5.0 H, Automatic: 5W-30, 5.0 quarts with filter
- 5.0 H, Standard, MY6: 5W-30, 5.0 quarts with filter
- 5.0 H, Standard, SM465/M20: 5W-30, 5.0 quarts with filter
- 5.7 L: 5W-30, 7.0 quarts with filter
- 6.2 C: 10W-30, 7.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 5.0 H, Automatic — K1500,5.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | — | 4.00 QTS. | — |
| 5.0 H, Automatic — K1500 | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 5.0 H, Standard, MY6 — K1500,5.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | — | 4.00 QTS. | — |
| 5.0 H, Standard, MY6 — K1500 | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 5.0 H, Standard, SM465/M20 — K1500,5.0L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | — | 4.00 QTS. | — |
| 5.0 H, Standard, SM465/M20 — K1500 | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 5.7 L — K1500,5.7L Eng | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | — | 6.00 QTS. | — |
| 5.7 L — K1500 | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
| 6.2 C — K1500,6.2L Eng | SAE 10W-30 (Below 0Deg.F to 60Deg.F), 15W-40 (0Deg.F to Above 100Deg.F), SAE 30 (Above 32Deg.F to Above 100Deg.F) | — | 6.00 QTS. | — |
| 6.2 C — K1500 | SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Above 0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 20W-20 (20Deg.F to Above 100Deg.F), SAE 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | — | — |
More factory specs & repair guides for your Jimmy
🛞 1985 GMC Jimmy Tire Size & Pressure →🌧️ 1985 GMC Jimmy Wiper Blade Sizes →💡 1985 GMC Jimmy Light Bulb Sizes →📖 1985 GMC Jimmy Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
17.5 quarts (16.56 L) — 56/44 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1985 GMC Jimmy take?
It depends on the engine: 5.0 H, Automatic uses 5W-30; 5.0 H, Standard, MY6 uses 5W-30; 5.0 H, Standard, SM465/M20 uses 5W-30; 5.7 L uses 5W-30; 6.2 C uses 10W-30.
What is the oil capacity of a 1985 GMC Jimmy?
Oil capacity depends on the engine: 5.0 H, Automatic holds 5.0 quarts with filter; 5.0 H, Standard, MY6 holds 5.0 quarts with filter; 5.0 H, Standard, SM465/M20 holds 5.0 quarts with filter; 5.7 L holds 7.0 quarts with filter; 6.2 C holds 7.0 quarts with filter.
How often should I change the oil in my 1985 GMC Jimmy?
Most 1985 GMC Jimmy 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 — GMC recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1985 GMC Jimmy?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1985 GMC Jimmy. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.