2009 Buick Lucerne Oil Type & Capacity
The 2009 Buick Lucerne oil type depends on the engine: the CX, 3.9 1 takes 5W-30 (4.5 quarts with filter); the CX, 3.9 M takes 5W-30 (4.5 quarts with filter); the CXL, 3.9 1 takes 5W-30 (4.5 quarts with filter); the CXL, 3.9 M takes 5W-30 (4.5 quarts with filter); the Super takes 5W-30 (7.5 quarts with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- CX, 3.9 1: 5W-30, 4.5 quarts with filter
- CX, 3.9 M: 5W-30, 4.5 quarts with filter
- CXL, 3.9 1: 5W-30, 4.5 quarts with filter
- CXL, 3.9 M: 5W-30, 4.5 quarts with filter
- Super: 5W-30, 7.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| CX, 3.9 1 — 3.9L Eng | API - SAE 5W-30 | 4.50 QTS. | 4.00 QTS. | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. |
| CX, 3.9 M — 3.9L Eng | API - SAE 5W-30 | 4.50 QTS. | 4.00 QTS. | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. |
| CXL, 3.9 1 — 3.9L Eng | API - SAE 5W-30 | 4.50 QTS. | 4.00 QTS. | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. |
| CXL, 3.9 M — 3.9L Eng | API - SAE 5W-30 | 4.50 QTS. | 4.00 QTS. | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. |
| Super — 4.6L Eng | API - SAE 5W-30 | 7.50 QTS. | 7.00 QTS. | Use oil that meets GM Standard GM6094M. For areas of extreme cold, where temperatures fall below -20Deg.F (-29Deg.C), it is recommended a SAE 5W-30 synthetic oil or a SAE 10W-30 oil. Both will provide easier cold starting and better protection for your engine at extremely low temperatures. All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. |
Buy the right oil
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More specs & repair guides for your Lucerne
2009 Buick Lucerne factory service manualAll fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner site 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 2009 Buick Lucerne take?
It depends on the engine: CX, 3.9 1 uses 5W-30; CX, 3.9 M uses 5W-30; CXL, 3.9 1 uses 5W-30; CXL, 3.9 M uses 5W-30; Super uses 5W-30.
How much oil does a 2009 Buick Lucerne take?
Capacity depends on the engine: CX, 3.9 1 holds 4.5 quarts with filter; CX, 3.9 M holds 4.5 quarts with filter; CXL, 3.9 1 holds 4.5 quarts with filter; CXL, 3.9 M holds 4.5 quarts with filter; Super holds 7.5 quarts with filter.
Can I use synthetic oil in my 2009 Buick Lucerne?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2009 Buick Lucerne. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.