Section Width775 mm (30.5")
Aspect Ratio28%
Rim Diameter23"
Overall Diameter1018 mm (40.1")
Sidewall Height217 mm
Circumference3199 mm
775/28R23 — Buy Tires

Everything to know about the 775/28R23 tire size

Size geometry

A 775/28R23 tire has a 775mm section width and a 28% aspect ratio, mounted on a 23-inch rim. Sidewall height works out to 217.0mm (8.54") and overall outside diameter is 1018.2mm (40.09"). At highway speed the tire completes about 313 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 775/28R23 is unavailable, the closest same-diameter substitutes on the same rim are 765/28R23 and 785/28R23. 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 775/28R23 you can upsize to 785/26R24 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 765/30R22 (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 775/28R23 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 775/28R23

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