1990 Cadillac Brougham Oil Type & Capacity: 5W-30 (5.0 quarts)
The 1990 Cadillac Brougham takes 5W-30 motor oil — 5.0 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 5.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 5.0 9 — 5.0L Eng | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| 5.0 Y — 5.0L Eng | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| 5.7 7, 4L60/MD8 — 5.7L Eng | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
| 5.7 7, 700R4/MD8 — 5.7L Eng | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 5.00 QTS. | 4.00 QTS. | — |
More factory specs & repair guides for your Brougham
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Coolant capacity
15.2 quarts (14.38 L) — 50/50 mixture of Ethylene Glycol Base Coolant and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1990 Cadillac Brougham take?
The 1990 Cadillac Brougham takes 5W-30 motor oil (API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 15W-40 (10Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F)), per the factory service manual.
What is the oil capacity of a 1990 Cadillac Brougham?
The 1990 Cadillac Brougham oil capacity is 5.0 quarts with a filter change, or 4.0 quarts without changing the filter.
How often should I change the oil in my 1990 Cadillac Brougham?
Most 1990 Cadillac Brougham 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 — Cadillac recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 1990 Cadillac Brougham?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1990 Cadillac Brougham. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.