Section Width235 mm (9.3")
Aspect Ratio31%
Rim Diameter34"
Overall Diameter1009 mm (39.7")
Sidewall Height73 mm
Circumference3171 mm
235/31R34 — Buy Tires

Everything to know about the 235/31R34 tire size

Size geometry

A 235/31R34 tire has a 235mm section width and a 31% aspect ratio, mounted on a 34-inch rim. Sidewall height works out to 72.8mm (2.87") and overall outside diameter is 1009.3mm (39.74"). At highway speed the tire completes about 315 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 235/31R34 is unavailable, the closest same-diameter substitutes on the same rim are 225/32R34 and 245/30R34. 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 235/31R34 you can upsize to 245/25R35 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 225/38R33 (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 235/31R34 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 235/31R34

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