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2026 Kia K4 Tire Specifications & Recommendations
OEM tire specs for the 2026 Kia K4. Size, PSI, and seasonal recommendations.
OEM Tire Specifications
Size
225/45R17
Load Index
91
Speed Rating
W
Recommended PSI
34F / 31R
Seasonal Recommendation
all-season
Best for year-round driving in moderate climates
Compatible Tire Sizes
205/55R16235/40R18
Estimated Replacement Cost
Full Set (4 Tires)
$400 - $800
The 2026 Kia K4 EX uses 225/45R17 91W tires with recommended cold pressures of 34 psi front and 31 psi rear. Other factory K4 configurations use 205/55R16 or 235/40R18 tires, so replacement sizing should match the vehicle's trim and door-jamb label.
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