Section Width325 mm (12.8")
Aspect Ratio27%
Rim Diameter27"
Overall Diameter861 mm (33.9")
Sidewall Height88 mm
Circumference2706 mm
325/27R27 — Buy Tires

Everything to know about the 325/27R27 tire size

Size geometry

A 325/27R27 tire has a 325mm section width and a 27% aspect ratio, mounted on a 27-inch rim. Sidewall height works out to 87.8mm (3.45") and overall outside diameter is 861.3mm (33.91"). At highway speed the tire completes about 370 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 325/27R27 is unavailable, the closest same-diameter substitutes on the same rim are 315/28R27 and 335/26R27. 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 325/27R27 you can upsize to 335/22R28 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 315/32R26 (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 325/27R27 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 325/27R27

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