What tyre size does a Kia K4 use?

The most common size is 225/45R17. Depending on generation and engine, the Kia K4 uses 3 different sizes including 205/55R16, 225/45R17, 235/40R18.

Where do I find my exact Kia K4 tyre size?

Check the tyre placard in the driver's door jamb or fuel flap, or use the lookup tool on this page to select your generation and engine.

Tyres › Kia › K4

Kia K4 tyre sizes

All factory fitments by generation and engine — 3 sizes across 1 generation.

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Quick answer

The most common tyre size on the Kia K4 is 225/45R17 (overall diameter ≈ 634 mm). Exact fitment depends on generation and engine — full breakdown below.

K4 (CL4m) 2025 - Hatchback (2025–present)

Engine	Tyre sizes
K4 1.0 - 116 PS - Petrol - 998 Hubraum	205/55R16 225/45R17
K4 1.0 MHD - 116 PS - Mild-Hybrid - 998 Hubraum	205/55R16 225/45R17
K4 1.6 - 150 PS - Petrol - 1598 Hubraum	205/55R16 225/45R17 235/40R18
K4 1.6 - 179 PS - Petrol - 1598 Hubraum	225/45R17 235/40R18

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