2023 Hyundai Ioniq 6Coolant Type & Capacity

OEM spec from the factory service manual for the Limited, AWD variant.

Quick Answer

Coolant Type

Designated coolant water for electric vehicles

Capacity

20.90 QTS.

19.77 L

Variant

Limited, AWD

This vehicle's factory manual

2023 Hyundai Ioniq 6: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

Open this vehicle’s service manual

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Frequently Asked Questions

What type of coolant does a 2023 Hyundai Ioniq 6 take?
The 2023 Hyundai Ioniq 6 requires Designated coolant water for electric vehicles. The exact spec may vary slightly by engine variant β€” this page shows the OEM recommendation for the Limited, AWD configuration.
How much coolant does a 2023 Hyundai Ioniq 6 hold?
The 2023 Hyundai Ioniq 6 cooling system capacity is 20.90 QTS. (19.77 L).
Can I use universal coolant in my 2023 Hyundai Ioniq 6?
It is strongly recommended to use coolant that meets the Designated coolant water for electric vehicles 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 Hyundai Ioniq 6?
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.