Section Width325 mm (12.8")
Aspect Ratio59%
Rim Diameter20"
Overall Diameter892 mm (35.1")
Sidewall Height192 mm
Circumference2801 mm
325/59R20 — Buy Tires

Everything to know about the 325/59R20 tire size

Size geometry

A 325/59R20 tire has a 325mm section width and a 59% aspect ratio, mounted on a 20-inch rim. Sidewall height works out to 191.8mm (7.55") and overall outside diameter is 891.5mm (35.10"). At highway speed the tire completes about 357 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 325/59R20 is unavailable, the closest same-diameter substitutes on the same rim are 315/61R20 and 335/57R20. 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 325/59R20 you can upsize to 335/53R21 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 315/65R19 (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 325/59R20 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 325/59R20

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