Section Width425 mm (16.7")
Aspect Ratio34%
Rim Diameter28"
Overall Diameter1000 mm (39.4")
Sidewall Height145 mm
Circumference3142 mm
425/34R28 — Buy Tires

Everything to know about the 425/34R28 tire size

Size geometry

A 425/34R28 tire has a 425mm section width and a 34% aspect ratio, mounted on a 28-inch rim. Sidewall height works out to 144.5mm (5.69") and overall outside diameter is 1000.2mm (39.38"). At highway speed the tire completes about 318 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 425/34R28 is unavailable, the closest same-diameter substitutes on the same rim are 415/35R28 and 435/33R28. Both keep your speedometer reading within 1% — safe for daily use, ABS, and stability control. Always verify load and speed ratings before swapping.

Plus / minus sizing options

For a 425/34R28 you can upsize to 435/30R29 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 415/38R27 (minus-one) for a softer ride or winter setup. Both stay inside the Âą3% diameter tolerance that ABS and TPMS systems expect.

Vehicle compatibility

0 vehicles in our database run the 425/34R28 tire size from the factory. Aftermarket fitment depends on rim width, offset, and clearance — match these specs to your wheel before purchasing tires.

Vehicles Using 425/34R28

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