2004 Cadillac CTS Oil Type & Capacity
The 2004 Cadillac CTS oil type depends on the engine: the Base, 3.2 N takes 5W-30 (5.0 quarts with filter); the Base, 3.6 7 takes 5W-30 (5.6 quarts with filter); the V takes 5W-30 (6.0 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- Base, 3.2 N: 5W-30, 5.0 quarts with filter
- Base, 3.6 7: 5W-30, 5.6 quarts with filter
- V: 5W-30, 6.0 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| Base, 3.2 N — 3.2L Eng | API - SAE 5W-30 | 5.00 QTS. | — | Use synthetic oil that meets GM Standard GM4718M. API - SAE 10W-30 can be use if SAE 5W-30 is not available and if it is going to be 0Deg.F (-18Deg.C) or above. DO NOT use other viscosity oils such as SAE 20W-50. |
| Base, 3.6 7 — 3.6L Eng | API - SAE 5W-30 | 5.60 QTS. | — | Use synthetic oil that meets GM Standard GM4718M. API - SAE 10W-30 can be use if SAE 5W-30 is not available and if it is going to be 0Deg.F (-18Deg.C) or above. DO NOT use other viscosity oils such as SAE 20W-50. |
| V — 5.7L Eng | API - SAE 5W-30 | 6.00 QTS. | — | Use synthetic oil that meets GM Standard GM4718M. API - SAE 10W-30 can be use if SAE 5W-30 is not available and if it is going to be 0Deg.F (-18Deg.C) or above. DO NOT use other viscosity oils such as SAE 20W-50. |
Buy the right oil
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More specs & repair guides for your CTS
2004 Cadillac CTS factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
10.4 quarts (9.84 L) — 50/50 mixture of DEX-COOL and clean drinkable water
Frequently asked questions
What type of oil does a 2004 Cadillac CTS take?
It depends on the engine: Base, 3.2 N uses 5W-30; Base, 3.6 7 uses 5W-30; V uses 5W-30.
How much oil does a 2004 Cadillac CTS take?
Capacity depends on the engine: Base, 3.2 N holds 5.0 quarts with filter; Base, 3.6 7 holds 5.6 quarts with filter; V holds 6.0 quarts with filter.
Can I use synthetic oil in my 2004 Cadillac CTS?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2004 Cadillac CTS. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.