Section Width235 mm (9.3")
Aspect Ratio33%
Rim Diameter20"
Overall Diameter663 mm (26.1")
Sidewall Height78 mm
Circumference2083 mm
235/33R20 — Buy Tires

Everything to know about the 235/33R20 tire size

Size geometry

A 235/33R20 tire has a 235mm section width and a 33% aspect ratio, mounted on a 20-inch rim. Sidewall height works out to 77.5mm (3.05") and overall outside diameter is 663.1mm (26.11"). At highway speed the tire completes about 480 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 235/33R20 is unavailable, the closest same-diameter substitutes on the same rim are 225/34R20 and 245/32R20. 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 235/33R20 you can upsize to 245/26R21 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 225/40R19 (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 235/33R20 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 235/33R20

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