Kia K4— Transmission Guide
Complete transmission type, fluid specification, and service interval data for every Kia K4 generation.
2025–present
Transmission
IVT (Intelligent Variable / CVT)
Code: IVT
Fluid Specification
CVT fluid (Kia/Hyundai SP-CVT1)
Service Interval
Every 30,000 miles
Engine
Smartstream G2.0 MPI — 2L
Drivetrain Options
FWD
Frequently Asked Questions
What transmission does a Kia K4 have?
The Kia K4 uses a IVT (Intelligent Variable / CVT) (IVT). Depending on the model year and trim level, the exact transmission may vary — see the year-by-year breakdown above for full details.
What fluid does a Kia K4 transmission take?
The recommended transmission fluid is CVT fluid (Kia/Hyundai SP-CVT1). Always verify with your owner's manual or dealership, as the correct fluid can vary by production year and transmission variant.
How often should I service the Kia K4 transmission?
The recommended service interval is every 30,000 miles. Severe driving conditions (towing, frequent stop-and-go, extreme temperatures) may require more frequent service. Regular transmission maintenance is one of the best ways to prevent costly repairs.
Use our transmission lookup tool to search by year, make, and model for any vehicle.
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