The Buick Enclave has been produced from 2008 to present with multiple engine options across three generations. Using the correct oil capacity, viscosity, and type is essential for maintaining engine performance and longevity. This guide lists all model years with full oil specifications and maintenance recommendations.
The Enclave requires dexos1 approved full synthetic oil meeting GM specifications for optimal protection and extended oil change intervals. Most model years use a 3.6L V6 engine with 5W-30 viscosity, while the latest 2026 model introduces a 2.5L turbocharged four-cylinder engine.
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2026 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 2.5L Turbo DOHC SIDI I4 (LSY) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF66, Mobil 1 M1-110A, Fram Ultra XG7317 |
The 2026 Buick Enclave uses a 2.5L turbocharged four-cylinder engine that produces 328 horsepower and requires 6.0 quarts of dexos1 full synthetic oil. Using SAE 5W-30 oil provides the right balance of protection and efficiency under normal driving conditions.
2025 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LFY) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2025 Buick Enclave uses a 3.6L V6 engine that requires 6.0 quarts of dexos1 full synthetic oil. The 9-speed automatic transmission pairs with this engine to produce 310 horsepower.
2024 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LFY) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2024 Buick Enclave uses a 3.6L V6 LFY engine that requires 6.0 quarts of full synthetic oil with dexos1 approval. Using 5W-30 viscosity oil ensures proper lubrication and fuel efficiency.
2023 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LFY) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2023 Buick Enclave uses a 3.6L V6 LFY engine producing 310 horsepower and requires 6.0 quarts of dexos1 full synthetic oil. This second-generation model features a 9-speed automatic transmission.
2022 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LFY) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2022 Buick Enclave uses a 3.6L V6 engine that requires 6.0 quarts of dexos1 approved full synthetic oil. Using SAE 5W-30 viscosity provides optimal protection for the 310-horsepower engine.
2021 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LFY) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2021 Buick Enclave uses a 3.6L V6 LFY engine that requires 6.0 quarts of full synthetic oil. Dexos1 approved oil is required for proper engine protection and warranty compliance.
2020 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LFY) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2020 Buick Enclave uses a 3.6L V6 engine that requires 6.0 quarts of dexos1 full synthetic oil. Using 5W-30 viscosity oil provides the right balance of protection and efficiency.
2019 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LFY) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2019 Buick Enclave uses a 3.6L V6 LFY engine that requires 6.0 quarts of full synthetic oil. This second-generation model produces 310 horsepower and 266 lb-ft of torque.
2018 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LFY) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2018 Buick Enclave uses a redesigned 3.6L V6 LFY engine that requires 6.0 quarts of dexos1 full synthetic oil. This marks the first year of the second generation with a new 9-speed automatic transmission.
2017 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LLT) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2017 Buick Enclave uses a 3.6L V6 LLT engine that requires 6.0 quarts of full synthetic oil. This was the final year of the first generation before the redesign.
2016 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LLT) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2016 Buick Enclave uses a 3.6L V6 LLT engine producing 288 horsepower and requires 6.0 quarts of dexos1 oil. Using full synthetic oil with 5W-30 viscosity ensures proper engine protection.
2015 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LLT) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2015 Buick Enclave uses a 3.6L V6 LLT engine that requires 6.0 quarts of full synthetic oil. Dexos1 specification ensures compatibility with the engine’s advanced design.
2014 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LLT) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2014 Buick Enclave uses a 3.6L V6 LLT engine that requires 6.0 quarts of dexos1 full synthetic oil. Using SAE 5W-30 viscosity provides optimal protection for the 288-horsepower engine.
2013 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LLT) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2013 Buick Enclave uses a 3.6L V6 LLT engine that requires 6.0 quarts of full synthetic oil. This engine produces 288 horsepower and 270 lb-ft of torque.
2012 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LLT) |
| Oil Capacity (with Filter) | 6.0 qt (5.68 L) |
| Oil Capacity (without Filter) | 5.5 qt (5.2 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2012 Buick Enclave uses a 3.6L V6 LLT engine that requires 6.0 quarts of dexos1 approved full synthetic oil. Using the correct oil specification ensures engine longevity and proper warranty coverage.
2011 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LLT) |
| Oil Capacity (with Filter) | 5.5 qt (5.2 L) |
| Oil Capacity (without Filter) | 5.0 qt (4.73 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2011 Buick Enclave uses a 3.6L V6 LLT engine that requires 5.5 quarts of full synthetic oil. Note the reduced capacity compared to later model years.
2010 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LLT) |
| Oil Capacity (with Filter) | 5.5 qt (5.2 L) |
| Oil Capacity (without Filter) | 5.0 qt (4.73 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2010 Buick Enclave uses a 3.6L V6 LLT engine that requires 5.5 quarts of dexos1 full synthetic oil. This engine produces 288 horsepower with direct injection technology.
2009 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LLT) |
| Oil Capacity (with Filter) | 5.5 qt (5.2 L) |
| Oil Capacity (without Filter) | 5.0 qt (4.73 L) |
| Recommended Oil Type | Full Synthetic (dexos1) |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2009 Buick Enclave uses a 3.6L V6 LLT engine with spark ignition direct injection that requires 5.5 quarts of full synthetic oil. Using SAE 5W-30 viscosity ensures proper lubrication and fuel efficiency.
2008 Buick Enclave Engine Oil Capacity
| Specification | Detail |
|---|---|
| Engine | 3.6L V6 (LY7) |
| Oil Capacity (with Filter) | 5.5 qt (5.2 L) |
| Oil Capacity (without Filter) | 5.0 qt (4.73 L) |
| Recommended Oil Type | Full Synthetic |
| Viscosity | SAE 5W-30 |
| Oil Change Interval | Every 7,500 miles or 12 months |
| Oil Drain Plug Torque | 18 lb-ft (24 N·m) |
| Recommended Filters | AC Delco PF63, Mobil 1 M1-110A, K&N HP-1017 |
The 2008 Buick Enclave uses a 3.6L V6 LY7 engine producing 275 horsepower and requires 5.5 quarts of full synthetic oil. This was the inaugural model year for the Enclave on the GM Lambda platform.
Oil Maintenance and Service Tips
Checking and changing engine oil regularly is critical for maintaining engine performance and longevity. The oil life monitoring system calculates oil degradation based on engine revolutions, temperature, and driving conditions, providing an accurate indicator of when service is needed.
Always use dexos1 approved full synthetic oil for all Buick Enclave models to meet GM specifications and ensure proper engine protection. Using non-approved oil can reduce engine life and void warranty coverage. Check oil level monthly when the engine is cold and parked on level ground.
Oil change intervals extend to 7,500 miles or 12 months under normal driving conditions when using dexos1 approved oil. Severe driving conditions include frequent short trips, trailer towing, dusty conditions, or extended idling, which require more frequent oil changes at 3,000 to 5,000 miles. Always replace the oil filter during every oil change using AC Delco or equivalent high-quality filters.
The oil drain plug should be torqued to 18 lb-ft (24 N·m) using a torque wrench to prevent leaks or damage. Overtightening can strip threads in the oil pan, while undertightening allows oil leaks. Replace the drain plug washer during each oil change to ensure a proper seal.
FAQs
What kind of oil does a Buick Enclave use?
The Buick Enclave requires dexos1 approved full synthetic oil with SAE 5W-30 viscosity for all model years. GM requires dexos1 specification oil for proper engine protection and warranty compliance.
How much oil does a Buick Enclave take?
The Buick Enclave oil capacity varies by model year, with 2008-2011 models requiring 5.5 quarts and 2012-2026 models requiring 6.0 quarts when changing the oil filter. Always verify capacity for your specific model year before adding oil.
What is the recommended oil change interval for a Buick Enclave?
The recommended oil change interval is 7,500 miles or 12 months for normal driving conditions when using dexos1 approved full synthetic oil. Severe driving conditions require more frequent changes at 3,000 to 5,000 miles.
Can I use synthetic blend instead of full synthetic oil?
GM requires full synthetic dexos1 approved oil for the Buick Enclave to ensure proper engine protection and maintain warranty coverage. Using synthetic blend or conventional oil that does not meet dexos1 specifications can damage the engine and void the warranty.
What oil filter does a Buick Enclave use?
The Buick Enclave uses AC Delco PF63 oil filter or equivalent alternatives including Mobil 1 M1-110A and K&N HP-1017. Always use high-quality filters that meet GM specifications for proper filtration.
What is the oil drain plug torque specification?
The oil drain plug should be torqued to 18 lb-ft (24 N·m) for all Buick Enclave models with 3.6L V6 engines. Using a torque wrench ensures proper tightening without damaging the oil pan threads.
Conclusion
The Buick Enclave requires 5.5 to 6.0 quarts of dexos1 approved full synthetic oil with SAE 5W-30 viscosity depending on the model year. Using manufacturer-approved oil and following recommended change intervals ensures optimal engine protection, performance, and fuel efficiency. Proper maintenance with the correct oil specifications is essential for maximizing engine reliability and longevity across all Enclave model years from 2008 to 2026.
