2011 Buick Lucerne Oil Type & Capacity
The 2011 Buick Lucerne oil type depends on the engine: the CX takes 5W-30 (4.0 quarts qt with filter); the CXL takes 5W-30 (4.0 quarts qt with filter); the Super takes 5W-30 (7.4 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- CX: 5W-30, 4.0 quarts with filter
- CXL: 5W-30, 4.0 quarts with filter
- Super: 5W-30, 7.4 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| CX — 3.9L Eng | API - SAE 5W-30 | 4.00 QTS. | — | The engine requires engine oil approved to the dexos1 specification. Oils meeting this specification can be identified with the dexos certification mark. Look for and use only an engine oil that displays the dexos certification mark of the proper viscosity grade. SAE 5W-30 is the best viscosity grade for the vehicle. Do not use other viscosity oils such as SAE 10W-30, 10W-40, or 20W-50. |
| CXL — 3.9L Eng | API - SAE 5W-30 | 4.00 QTS. | — | The engine requires engine oil approved to the dexos1 specification. Oils meeting this specification can be identified with the dexos certification mark. Look for and use only an engine oil that displays the dexos certification mark of the proper viscosity grade. SAE 5W-30 is the best viscosity grade for the vehicle. Do not use other viscosity oils such as SAE 10W-30, 10W-40, or 20W-50. |
| Super — 4.6L Eng | API - SAE 5W-30 | 7.40 QTS. | — | The engine requires engine oil approved to the dexos1 specification. Oils meeting this specification can be identified with the dexos certification mark. Look for and use only an engine oil that displays the dexos certification mark of the proper viscosity grade. SAE 5W-30 is the best viscosity grade for the vehicle. Do not use other viscosity oils such as SAE 10W-30, 10W-40, or 20W-50. |
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More factory specs & repair guides for your Lucerne
🛞 2011 Buick Lucerne Tire Size & Pressure →🌧️ 2011 Buick Lucerne Wiper Blade Sizes →💡 2011 Buick Lucerne Light Bulb Sizes →📖 2011 Buick Lucerne Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
9.7 quarts (9.17 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 2011 Buick Lucerne take?
It depends on the engine: CX uses 5W-30; CXL uses 5W-30; Super uses 5W-30.
What is the oil capacity of a 2011 Buick Lucerne?
Oil capacity depends on the engine: CX holds 4.0 quarts with filter; CXL holds 4.0 quarts with filter; Super holds 7.4 quarts with filter.
How often should I change the oil in my 2011 Buick Lucerne?
Most 2011 Buick Lucerne 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 — Buick recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2011 Buick Lucerne?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2011 Buick Lucerne. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.