Section Width525 mm (20.7")
Aspect Ratio115%
Rim Diameter28"
Overall Diameter1919 mm (75.5")
Sidewall Height604 mm
Circumference6028 mm
525/115R28 — Buy Tires

Everything to know about the 525/115R28 tire size

Size geometry

A 525/115R28 tire has a 525mm section width and a 115% aspect ratio, mounted on a 28-inch rim. Sidewall height works out to 603.8mm (23.77") and overall outside diameter is 1918.7mm (75.54"). At highway speed the tire completes about 166 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 525/115R28 is unavailable, the closest same-diameter substitutes on the same rim are 515/117R28 and 535/113R28. 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 525/115R28 you can upsize to 535/110R29 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 515/120R27 (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 525/115R28 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 525/115R28

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