Section Width255 mm (10.0")
Aspect Ratio88%
Rim Diameter12"
Overall Diameter754 mm (29.7")
Sidewall Height224 mm
Circumference2368 mm
255/88R12 — Buy Tires

Everything to know about the 255/88R12 tire size

Size geometry

A 255/88R12 tire has a 255mm section width and a 88% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 224.4mm (8.83") and overall outside diameter is 753.6mm (29.67"). At highway speed the tire completes about 422 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 255/88R12 is unavailable, the closest same-diameter substitutes on the same rim are 245/92R12 and 265/85R12. 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 255/88R12 you can upsize to 265/80R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 245/97R11 (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 255/88R12 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 255/88R12

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