1991 Oldsmobile Bravada Oil Type & Capacity: 5W-30 (4.5 quarts)
The 1991 Oldsmobile Bravada takes 5W-30 motor oil — 4.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 4.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Bravada | API - SAE 5W-30 | 4.50 QTS. | 4.00 QTS. | — |
More factory specs & repair guides for your Bravada
🛞 1991 Oldsmobile Bravada Tire Size & Pressure →🌧️ 1991 Oldsmobile Bravada Wiper Blade Sizes →💡 1991 Oldsmobile Bravada Light Bulb Sizes →📖 1991 Oldsmobile Bravada Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
11.8 quarts (11.16 L) — 50/50 mixture of Ethylene Glycol Base Antifreeze and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1991 Oldsmobile Bravada take?
The 1991 Oldsmobile Bravada takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
What is the oil capacity of a 1991 Oldsmobile Bravada?
The 1991 Oldsmobile Bravada oil capacity is 4.5 quarts with a filter change, or 4.0 quarts without changing the filter.
How often should I change the oil in my 1991 Oldsmobile Bravada?
Most 1991 Oldsmobile Bravada 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 — Oldsmobile recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1991 Oldsmobile Bravada?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1991 Oldsmobile Bravada. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.