Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2018 Chevrolet CorvetteCoolant Type & Capacity
OEM spec from the factory service manual for the Grand Sport, 2D Convertible, Automatic Trans variant.
Quick Answer
Coolant Type
40/60 mixture of DEX-COOL and clean, drinkable water
Capacity
11.80 QTS.
11.16 L
Variant
Grand Sport, 2D Convertible, Automatic Trans
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 — 2018 Chevrolet Corvette Grand Sport, 2D Convertible, Automatic Trans. View full manual section →
What You'll Need
Frequently Asked Questions
- What type of coolant does a 2018 Chevrolet Corvette take?
- The 2018 Chevrolet Corvette requires 40/60 mixture of DEX-COOL and clean, drinkable water. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the Grand Sport, 2D Convertible, Automatic Trans configuration.
- How much coolant does a 2018 Chevrolet Corvette hold?
- The 2018 Chevrolet Corvette cooling system capacity is 11.80 QTS. (11.16 L).
- Can I use universal coolant in my 2018 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 2018 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.