Section Width255 mm (10.0")
Aspect Ratio18%
Rim Diameter28"
Overall Diameter803 mm (31.6")
Sidewall Height46 mm
Circumference2523 mm
255/18R28 — Buy Tires

Everything to know about the 255/18R28 tire size

Size geometry

A 255/18R28 tire has a 255mm section width and a 18% aspect ratio, mounted on a 28-inch rim. Sidewall height works out to 45.9mm (1.81") and overall outside diameter is 803.0mm (31.61"). At highway speed the tire completes about 396 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 255/18R28 is unavailable, the closest same-diameter substitutes on the same rim are 245/19R28 and 265/17R28. 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 255/18R28 you can upsize to 265/13R29 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 245/24R27 (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 255/18R28 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 255/18R28

tire_size.no_vehicles_found