Section Width245 mm (9.7")
Aspect Ratio289%
Rim Diameter18"
Overall Diameter1873 mm (73.8")
Sidewall Height708 mm
Circumference5885 mm
245/289R18 — Buy Tires

Everything to know about the 245/289R18 tire size

Size geometry

A 245/289R18 tire has a 245mm section width and a 289% aspect ratio, mounted on a 18-inch rim. Sidewall height works out to 708.0mm (27.88") and overall outside diameter is 1873.3mm (73.75"). At highway speed the tire completes about 170 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 245/289R18 is unavailable, the closest same-diameter substitutes on the same rim are 235/301R18 and 255/278R18. 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 245/289R18 you can upsize to 255/273R19 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 235/307R17 (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 245/289R18 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 245/289R18

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