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 qt with filter); the Base, 3.6 7 takes 5W-30 (5.6 quarts qt with filter); the V takes 5W-30 (6.0 quarts qt 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. |
More factory specs & repair guides for your CTS
🛞 2004 Cadillac CTS Tire Size & Pressure →🌧️ 2004 Cadillac CTS Wiper Blade Sizes →💡 2004 Cadillac CTS Light Bulb Sizes →📖 2004 Cadillac CTS Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network 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.
What is the oil capacity of a 2004 Cadillac CTS?
Oil 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.
How often should I change the oil in my 2004 Cadillac CTS?
Most 2004 Cadillac CTS 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 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.