1993 Cadillac Seville Oil Type & Capacity
The 1993 Cadillac Seville oil type depends on the engine: the Base takes 5W-30 (5.5 quarts with filter); the STS takes 5W-30 (7.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base: 5W-30, 5.5 quarts with filter
- STS: 5W-30, 7.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base — 4.9L Eng | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 5.50 QTS. | 5.00 QTS. | — |
| STS — 4.6L Eng | API - SAE 5W-30 (Below -20Deg.F to 60Deg.F), 10W-30 (Preferred) (0Deg.F to Above 100Deg.F), 30 (40Deg.F to Above 100Deg.F) | 7.00 QTS. | 6.50 QTS. | — |
Buy the right oil
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More specs & repair guides for your Seville
1993 Cadillac Seville factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
12.3 quarts (11.64 L) — 50/50 mixture of Ethylene Glycol Base Coolant and water. GM Specification 1825-M.
Frequently asked questions
What type of oil does a 1993 Cadillac Seville take?
It depends on the engine: Base uses 5W-30; STS uses 5W-30.
How much oil does a 1993 Cadillac Seville take?
Capacity depends on the engine: Base holds 5.5 quarts with filter; STS holds 7.0 quarts with filter.
Can I use synthetic oil in my 1993 Cadillac Seville?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 1993 Cadillac Seville. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.