1993 Cadillac Seville Oil Type & Capacity
The 1993 Cadillac Seville oil type depends on the engine: the Base takes 5W-30 (5.5 quarts qt with filter); the STS takes 5W-30 (7.0 quarts qt 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. | — |
More factory specs & repair guides for your Seville
🛞 1993 Cadillac Seville Tire Size & Pressure →🌧️ 1993 Cadillac Seville Wiper Blade Sizes →💡 1993 Cadillac Seville Light Bulb Sizes →📖 1993 Cadillac Seville Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network 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.
What is the oil capacity of a 1993 Cadillac Seville?
Oil capacity depends on the engine: Base holds 5.5 quarts with filter; STS holds 7.0 quarts with filter.
How often should I change the oil in my 1993 Cadillac Seville?
Most 1993 Cadillac Seville 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 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.