2025 Buick EnclaveCoolant Type & Capacity

OEM spec from the factory service manual for the Avenir, AWD variant.

Quick Answer

Coolant Type

50/50 mixture of DEX-COOL and clean, drinkable water

Capacity

18.40 QTS.

17.41 L

Variant

Avenir, AWD

Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling. Engine cooling system capacity values are based on the entire cooling system and its components.

This vehicle's factory manual

2025 Buick Enclave: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

Open this vehicle’s service manual

Related for Your 2025 Buick Enclave

Frequently Asked Questions

What type of coolant does a 2025 Buick Enclave take?
The 2025 Buick Enclave requires 50/50 mixture of DEX-COOL and clean, drinkable water. The exact spec may vary slightly by engine variant β€” this page shows the OEM recommendation for the Avenir, AWD configuration.
How much coolant does a 2025 Buick Enclave hold?
The 2025 Buick Enclave cooling system capacity is 18.40 QTS. (17.41 L).
Can I use universal coolant in my 2025 Buick Enclave?
It is strongly recommended to use coolant that meets the 50/50 mixture of DEX-COOL and clean, drinkable water specification. Universal coolants may not provide the correct corrosion protection for your engine's materials.
What happens if I use the wrong coolant in my 2025 Buick Enclave?
Using coolant that does not meet the OEM specification can cause corrosion, gasket damage, and overheating. Always verify the correct coolant type before topping off or flushing the system.