Section Width125 mm (4.9")
Aspect Ratio31%
Rim Diameter25"
Overall Diameter713 mm (28.1")
Sidewall Height39 mm
Circumference2238 mm
125/31R25 — Buy Tires

Everything to know about the 125/31R25 tire size

Size geometry

A 125/31R25 tire has a 125mm section width and a 31% aspect ratio, mounted on a 25-inch rim. Sidewall height works out to 38.8mm (1.53") and overall outside diameter is 712.5mm (28.05"). At highway speed the tire completes about 447 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 125/31R25 is unavailable, the closest same-diameter substitutes on the same rim are 115/34R25 and 135/29R25. 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 125/31R25 you can upsize to 135/19R26 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 115/45R24 (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 125/31R25 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 125/31R25

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