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.
2015 Hyundai Genesis CoupeCoolant Type & Capacity
OEM spec from the factory service manual for the 3.8 R-Spec variant.
Quick Answer
Coolant Type
50/50 mixture of antifreeze and water
Capacity
9.51 QTS.
8.99 L
Variant
3.8 R-Spec
Note: Ethylene glycol base coolant for aluminum radiator.
This vehicle's factory manual
The coolant spec is above. This opens the fluids section of the 2015 Hyundai Genesis Coupe 3.8 R-Spec factory book.
What You'll Need
Related for Your 2015 Hyundai Genesis Coupe
Frequently Asked Questions
- What type of coolant does a 2015 Hyundai Genesis Coupe take?
- The 2015 Hyundai Genesis Coupe requires 50/50 mixture of antifreeze and water. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the 3.8 R-Spec configuration.
- How much coolant does a 2015 Hyundai Genesis Coupe hold?
- The 2015 Hyundai Genesis Coupe cooling system capacity is 9.51 QTS. (8.99 L).
- Can I use universal coolant in my 2015 Hyundai Genesis Coupe?
- It is strongly recommended to use coolant that meets the 50/50 mixture of antifreeze and 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 Hyundai Genesis Coupe?
- 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.