Section Width235 mm (9.3")
Aspect Ratio20%
Rim Diameter17"
Overall Diameter526 mm (20.7")
Sidewall Height47 mm
Circumference1652 mm
235/20R17 — Buy Tires

Everything to know about the 235/20R17 tire size

Size geometry

A 235/20R17 tire has a 235mm section width and a 20% aspect ratio, mounted on a 17-inch rim. Sidewall height works out to 47.0mm (1.85") and overall outside diameter is 525.8mm (20.70"). At highway speed the tire completes about 605 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 235/20R17 is unavailable, the closest same-diameter substitutes on the same rim are 225/21R17 and 245/19R17. 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 235/20R17 you can upsize to 245/14R18 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 225/27R16 (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 235/20R17 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 235/20R17

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