2021 Chevrolet CorvetteCoolant Type & Capacity

OEM spec from the factory service manual for the 2D Convertible variant.

Quick Answer

Coolant Type

40/60 mixture of DEX-COOL and clean, drinkable water

Capacity

21.70 QTS.

20.53 L

Variant

2D Convertible

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€” 2021 Chevrolet Corvette 2D Convertible. View full manual section β†’

Frequently Asked Questions

What type of coolant does a 2021 Chevrolet Corvette take?
The 2021 Chevrolet Corvette requires 40/60 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 2D Convertible configuration.
How much coolant does a 2021 Chevrolet Corvette hold?
The 2021 Chevrolet Corvette cooling system capacity is 21.70 QTS. (20.53 L).
Can I use universal coolant in my 2021 Chevrolet Corvette?
It is strongly recommended to use coolant that meets the 40/60 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 2021 Chevrolet Corvette?
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.