Section Width785 mm (30.9")
Aspect Ratio31%
Rim Diameter23"
Overall Diameter1071 mm (42.2")
Sidewall Height243 mm
Circumference3364 mm
785/31R23 — Buy Tires

Everything to know about the 785/31R23 tire size

Size geometry

A 785/31R23 tire has a 785mm section width and a 31% aspect ratio, mounted on a 23-inch rim. Sidewall height works out to 243.3mm (9.58") and overall outside diameter is 1070.9mm (42.16"). At highway speed the tire completes about 297 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 785/31R23 is unavailable, the closest same-diameter substitutes on the same rim are 775/31R23 and 795/31R23. 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 785/31R23 you can upsize to 795/29R24 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 775/33R22 (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 785/31R23 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 785/31R23

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