2009 Buick Enclave Oil Type & Capacity: 5W-30 (5.5 quarts)
The 2009 Buick Enclave takes 5W-30 motor oil — 5.5 quarts with a filter change, per the factory service manual.
Factory-spec answer
5W-30 — 5.5 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| CX, AWD | API - SAE 5W-30 | 5.50 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, FWD | API - SAE 5W-30 | 5.50 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, AWD | API - SAE 5W-30 | 5.50 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, FWD | API - SAE 5W-30 | 5.50 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. |
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More factory specs & repair guides for your Enclave
🛞 2009 Buick Enclave Tire Size & Pressure →🌧️ 2009 Buick Enclave Wiper Blade Sizes →💡 2009 Buick Enclave Light Bulb Sizes →📖 2009 Buick Enclave Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
11.4 quarts (10.78 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 Enclave take?
The 2009 Buick Enclave takes 5W-30 motor oil (API - SAE 5W-30), per the factory service manual.
What is the oil capacity of a 2009 Buick Enclave?
The 2009 Buick Enclave oil capacity is 5.5 quarts with a filter change.
How often should I change the oil in my 2009 Buick Enclave?
Most 2009 Buick Enclave 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 2009 Buick Enclave?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2009 Buick Enclave. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.