Section Width125 mm (4.9")
Aspect Ratio83%
Rim Diameter31"
Overall Diameter995 mm (39.2")
Sidewall Height104 mm
Circumference3126 mm
125/83R31 — Buy Tires

Everything to know about the 125/83R31 tire size

Size geometry

A 125/83R31 tire has a 125mm section width and a 83% aspect ratio, mounted on a 31-inch rim. Sidewall height works out to 103.8mm (4.08") and overall outside diameter is 994.9mm (39.17"). At highway speed the tire completes about 320 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 125/83R31 is unavailable, the closest same-diameter substitutes on the same rim are 115/90R31 and 135/77R31. 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 125/83R31 you can upsize to 135/67R32 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 115/101R30 (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 125/83R31 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 125/83R31

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