2025 Kia K4Coolant Type & Capacity

OEM spec from the factory service manual for the GT-Line Turbo variant.

Quick Answer

Coolant Type

A Phosphate based Ehtylene Glycol based coolant

Capacity

7.60 QTS.

7.19 L

Variant

GT-Line Turbo

Note: Different type of coolant or water may damage the electrical component.

This vehicle's factory manual

2025 Kia K4: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.

Open this vehicle’s service manual
Other specs:All specs

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Frequently Asked Questions

What type of coolant does a 2025 Kia K4 take?
The 2025 Kia K4 requires A Phosphate based Ehtylene Glycol based coolant. The exact spec may vary slightly by engine variant β€” this page shows the OEM recommendation for the GT-Line Turbo configuration.
How much coolant does a 2025 Kia K4 hold?
The 2025 Kia K4 cooling system capacity is 7.60 QTS. (7.19 L).
Can I use universal coolant in my 2025 Kia K4?
It is strongly recommended to use coolant that meets the A Phosphate based Ehtylene Glycol based coolant 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 2025 Kia K4?
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.