Section Width255 mm (10.0")
Aspect Ratio27%
Rim Diameter27"
Overall Diameter824 mm (32.4")
Sidewall Height69 mm
Circumference2587 mm
255/27R27 — Buy Tires

Everything to know about the 255/27R27 tire size

Size geometry

A 255/27R27 tire has a 255mm section width and a 27% aspect ratio, mounted on a 27-inch rim. Sidewall height works out to 68.8mm (2.71") and overall outside diameter is 823.5mm (32.42"). At highway speed the tire completes about 387 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 255/27R27 is unavailable, the closest same-diameter substitutes on the same rim are 245/28R27 and 265/26R27. 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 255/27R27 you can upsize to 265/21R28 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 245/33R26 (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 255/27R27 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 255/27R27

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