2015 Buick EnclaveCoolant Type & Capacity

OEM spec from the factory service manual for the Convenience variant.

Quick Answer

Coolant Type

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

Capacity

11.40 QTS.

10.78 L

Variant

Convenience

Note: All capacities are approximate. When adding, be sure to fill to the approximate level. Recheck the fluid level after filling.
Source: Factory service manual β€” 2015 Buick Enclave Convenience. View full manual section β†’

Frequently Asked Questions

What type of coolant does a 2015 Buick Enclave take?
The 2015 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 Convenience configuration.
How much coolant does a 2015 Buick Enclave hold?
The 2015 Buick Enclave cooling system capacity is 11.40 QTS. (10.78 L).
Can I use universal coolant in my 2015 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 2015 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.