Section Width245 mm (9.7")
Aspect Ratio288%
Rim Diameter20"
Overall Diameter1919 mm (75.6")
Sidewall Height706 mm
Circumference6029 mm
245/288R20 — Buy Tires

Everything to know about the 245/288R20 tire size

Size geometry

A 245/288R20 tire has a 245mm section width and a 288% aspect ratio, mounted on a 20-inch rim. Sidewall height works out to 705.6mm (27.78") and overall outside diameter is 1919.2mm (75.56"). At highway speed the tire completes about 166 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 245/288R20 is unavailable, the closest same-diameter substitutes on the same rim are 235/300R20 and 255/277R20. 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 245/288R20 you can upsize to 255/272R21 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 235/306R19 (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 245/288R20 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 245/288R20

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