2025 Cadillac CT4 Oil Type & Capacity
The 2025 Cadillac CT4 oil type depends on the engine: the 2.0L takes 0W-20 (5.3 quarts with filter); the 2.0L takes 0W-20 (5.3 quarts with filter); the 2.7L takes 5W-30 (5.5 quarts with filter); the 2.7L takes 5W-30 (5.5 quarts with filter); the Luxury, 4WD takes 0W-20 (5.3 quarts with filter); the Luxury, RWD takes 0W-20 (5.3 quarts with filter); the Sport, 4WD takes 0W-20 (5.3 quarts with filter); the Sport, RWD takes 0W-20 (5.3 quarts with filter); the V Blackwing, Automatic Trans takes 5W-30 (7.0 quarts with filter); the V Blackwing, Standard Trans takes 5W-30 (7.0 quarts with filter); the V, 4WD takes 5W-30 (5.5 quarts with filter); the V, RWD takes 5W-30 (5.5 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 2.0L: 0W-20, 5.3 quarts with filter
- 2.0L: 0W-20, 5.3 quarts with filter
- 2.7L: 5W-30, 5.5 quarts with filter
- 2.7L: 5W-30, 5.5 quarts with filter
- Luxury, 4WD: 0W-20, 5.3 quarts with filter
- Luxury, RWD: 0W-20, 5.3 quarts with filter
- Sport, 4WD: 0W-20, 5.3 quarts with filter
- Sport, RWD: 0W-20, 5.3 quarts with filter
- V Blackwing, Automatic Trans: 5W-30, 7.0 quarts with filter
- V Blackwing, Standard Trans: 5W-30, 7.0 quarts with filter
- V, 4WD: 5W-30, 5.5 quarts with filter
- V, RWD: 5W-30, 5.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 2.0L — 2.0L Eng | SAE 0W-20 | 5.30 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. |
| 2.0L — 2.0L Eng | SAE 0W-20 | 5.30 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. |
| 2.7L — 2.7L Eng | SAE 5W-30 | 5.50 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. In an area of extreme cold, where the temperature falls below -29°C (-20°F), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| 2.7L — 2.7L Eng | SAE 5W-30 | 5.50 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. In an area of extreme cold, where the temperature falls below -29°C (-20°F), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| Luxury, 4WD — 2.0L Eng | SAE 0W-20 | 5.30 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. |
| Luxury, RWD — 2.0L Eng | SAE 0W-20 | 5.30 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. |
| Sport, 4WD — 2.0L Eng | SAE 0W-20 | 5.30 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. |
| Sport, RWD — 2.0L Eng | SAE 0W-20 | 5.30 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. |
| V Blackwing, Automatic Trans — 3.6L Eng | SAE 5W-30 | 7.00 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. In an area of extreme cold, where the temperature falls below -29°C (-20°F), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| V Blackwing, Standard Trans — 3.6L Eng | SAE 5W-30 | 7.00 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. In an area of extreme cold, where the temperature falls below -29°C (-20°F), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| V, 4WD — 2.7L Eng | SAE 5W-30 | 5.50 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. In an area of extreme cold, where the temperature falls below -29°C (-20°F), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
| V, RWD — 2.7L Eng | SAE 5W-30 | 5.50 QTS. | — | ACDelco dexos1 gen 2 full synthetic engine oil. In an area of extreme cold, where the temperature falls below -29°C (-20°F), an SAE 0W-30 oil may be used. An oil of this viscosity grade will provide easier cold starting for the engine at extremely low temperatures. |
Buy the right oil
Buy 0W-20 motor oil on AmazonBuy 5W-30 motor oil on Amazon2025 Cadillac CT4 oil filter on AmazonAs an Amazon Associate we earn from qualifying purchases made through these links.
More specs & repair guides for your CT4
2025 Cadillac CT4 factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site AllOEMManuals.com.
Coolant capacity
11.61 quarts (10.98 L) — 50/50 mixture of DEX-COOL and clean, drinkable water. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Frequently asked questions
What type of oil does a 2025 Cadillac CT4 take?
It depends on the engine: 2.0L uses 0W-20; 2.0L uses 0W-20; 2.7L uses 5W-30; 2.7L uses 5W-30; Luxury, 4WD uses 0W-20; Luxury, RWD uses 0W-20; Sport, 4WD uses 0W-20; Sport, RWD uses 0W-20; V Blackwing, Automatic Trans uses 5W-30; V Blackwing, Standard Trans uses 5W-30; V, 4WD uses 5W-30; V, RWD uses 5W-30.
How much oil does a 2025 Cadillac CT4 take?
Capacity depends on the engine: 2.0L holds 5.3 quarts with filter; 2.0L holds 5.3 quarts with filter; 2.7L holds 5.5 quarts with filter; 2.7L holds 5.5 quarts with filter; Luxury, 4WD holds 5.3 quarts with filter; Luxury, RWD holds 5.3 quarts with filter; Sport, 4WD holds 5.3 quarts with filter; Sport, RWD holds 5.3 quarts with filter; V Blackwing, Automatic Trans holds 7.0 quarts with filter; V Blackwing, Standard Trans holds 7.0 quarts with filter; V, 4WD holds 5.5 quarts with filter; V, RWD holds 5.5 quarts with filter.
Can I use synthetic oil in my 2025 Cadillac CT4?
Yes. 0W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2025 Cadillac CT4. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.