Section Width285 mm (11.2")
Aspect Ratio30%
Rim Diameter27"
Overall Diameter857 mm (33.7")
Sidewall Height86 mm
Circumference2692 mm
285/30R27 — Buy Tires

Everything to know about the 285/30R27 tire size

Size geometry

A 285/30R27 tire has a 285mm section width and a 30% aspect ratio, mounted on a 27-inch rim. Sidewall height works out to 85.5mm (3.37") and overall outside diameter is 856.8mm (33.73"). At highway speed the tire completes about 372 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 285/30R27 is unavailable, the closest same-diameter substitutes on the same rim are 275/31R27 and 295/29R27. 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 285/30R27 you can upsize to 295/25R28 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 275/36R26 (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 285/30R27 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 285/30R27

tire_size.no_vehicles_found