Section Width285 mm (11.2")
Aspect Ratio34%
Rim Diameter25"
Overall Diameter829 mm (32.6")
Sidewall Height97 mm
Circumference2604 mm
285/34R25 — Buy Tires

Everything to know about the 285/34R25 tire size

Size geometry

A 285/34R25 tire has a 285mm section width and a 34% aspect ratio, mounted on a 25-inch rim. Sidewall height works out to 96.9mm (3.81") and overall outside diameter is 828.8mm (32.63"). At highway speed the tire completes about 384 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 285/34R25 is unavailable, the closest same-diameter substitutes on the same rim are 275/35R25 and 295/33R25. 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 285/34R25 you can upsize to 295/29R26 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 275/40R24 (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 285/34R25 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 285/34R25

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