Section Width785 mm (30.9")
Aspect Ratio21%
Rim Diameter28"
Overall Diameter1041 mm (41.0")
Sidewall Height165 mm
Circumference3270 mm
785/21R28 — Buy Tires

Everything to know about the 785/21R28 tire size

Size geometry

A 785/21R28 tire has a 785mm section width and a 21% aspect ratio, mounted on a 28-inch rim. Sidewall height works out to 164.8mm (6.49") and overall outside diameter is 1040.9mm (40.98"). At highway speed the tire completes about 306 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 785/21R28 is unavailable, the closest same-diameter substitutes on the same rim are 775/21R28 and 795/21R28. 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 785/21R28 you can upsize to 795/19R29 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 775/23R27 (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 785/21R28 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 785/21R28

tire_size.no_vehicles_found