Kia K4 tire size
The most common factory tire size for the Kia K4 is 205/55R16, on 6 of the 15 year and trim fits listed. The table lists every year from 2025 to 2026 and the size each trim was built with. Pick your year and trim to see the tires that fit.
Kia K4 tire sizes by year
| Year | Factory tire size | Trims |
|---|---|---|
| 2026 | 235/40R18 | GT-Line Hatchback, GT-Line Sedan, GT-Line Turbo Hatchback, GT-Line Turbo Sedan |
| 205/55R16load index 91, speed rating H | LX Sedan, LXS Sedan | |
| 225/45R17 | EX Hatchback, EX Sedan | |
| 2025 | 205/55R16load index 91, speed rating H | LX, LX Sedan, LXS, LXS Sedan |
| 235/40R18 | GT-Line Sedan, GT-Line Turbo Sedan | |
| 225/45R17 | EX Sedan |
Check your own tire
A trim can be sold with more than one wheel size. The size printed on the sidewall of your current tire, or on the placard in the driver's door jamb, is the one your vehicle has.