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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.
2023 Honda CivicCoolant Type & Capacity
OEM spec from the factory service manual for the EX variant.
Quick Answer
Coolant Type
HONDA Long-Life Antifreeze/Coolant Type 2
Capacity
1.51 GALS.
5.71 L
Variant
EX
Note: 50/50 with distilled water.
Change including the remaining 0.17 US gal. 0.68 qt. in reserve tank.
This vehicle's factory manual
2023 Honda Civic: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Other specs:All specsOil TypeTire SizeBatteryBeltSpark PlugsTrans FluidHeadlightsBrake FluidCapacities
What You'll Need
Related for Your 2023 Honda Civic
Frequently Asked Questions
- What type of coolant does a 2023 Honda Civic take?
- The 2023 Honda Civic requires HONDA Long-Life Antifreeze/Coolant Type 2. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the EX configuration.
- How much coolant does a 2023 Honda Civic hold?
- The 2023 Honda Civic cooling system capacity is 1.51 GALS. (5.71 L).
- Can I use universal coolant in my 2023 Honda Civic?
- It is strongly recommended to use coolant that meets the HONDA Long-Life Antifreeze/Coolant Type 2 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 2023 Honda Civic?
- 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.