Section Width235 mm (9.3")
Aspect Ratio159%
Rim Diameter45"
Overall Diameter1890 mm (74.4")
Sidewall Height374 mm
Circumference5939 mm
235/159R45 — Buy Tires

Everything to know about the 235/159R45 tire size

Size geometry

A 235/159R45 tire has a 235mm section width and a 159% aspect ratio, mounted on a 45-inch rim. Sidewall height works out to 373.6mm (14.71") and overall outside diameter is 1890.3mm (74.42"). At highway speed the tire completes about 168 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 235/159R45 is unavailable, the closest same-diameter substitutes on the same rim are 225/166R45 and 245/153R45. 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 235/159R45 you can upsize to 245/147R46 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 225/172R44 (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 235/159R45 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 235/159R45

tire_size.no_vehicles_found