1986 GMC Caballero Oil Type & Capacity: 10W-30 (4.0 quarts)
The 1986 GMC Caballero takes 10W-30 motor oil — 4.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
10W-30 — 4.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, 4.3 Z, 200-4R/MW9 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
| Base, 4.3 Z, 200C/MV9 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
| Base, 4.3 Z, 700R4/MD8 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
| Base, 5.0 H, 200-4R/MW9 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
| Base, 5.0 H, 200C/MV9 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
| Base, 5.0 H, 700R4/MD8 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
| Diablo, 4.3 Z, 200-4R/MW9 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
| Diablo, 4.3 Z, 200C/MV9 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
| Diablo, 4.3 Z, 700R4/MD8 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
| Diablo, 5.0 H, 200-4R/MW9 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
| Diablo, 5.0 H, 200C/MV9 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
| Diablo, 5.0 H, 700R4/MD8 | SAE 10W-30 | 4.00 QTS. | — | API - SF/CC Energy Conserving. |
More factory specs & repair guides for your Caballero
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Coolant capacity
13.2 quarts (12.49 L) — 56/44 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1986 GMC Caballero take?
The 1986 GMC Caballero takes 10W-30 motor oil (SAE 10W-30), per the factory service manual.
What is the oil capacity of a 1986 GMC Caballero?
The 1986 GMC Caballero oil capacity is 4.0 quarts with a filter change.
How often should I change the oil in my 1986 GMC Caballero?
Most 1986 GMC Caballero 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 1986 GMC Caballero?
Yes. 10W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1986 GMC Caballero. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.