Section Width325 mm (12.8")
Aspect Ratio58%
Rim Diameter18"
Overall Diameter834 mm (32.8")
Sidewall Height189 mm
Circumference2621 mm
325/58R18 — Buy Tires

Everything to know about the 325/58R18 tire size

Size geometry

A 325/58R18 tire has a 325mm section width and a 58% aspect ratio, mounted on a 18-inch rim. Sidewall height works out to 188.5mm (7.42") and overall outside diameter is 834.2mm (32.84"). At highway speed the tire completes about 382 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 325/58R18 is unavailable, the closest same-diameter substitutes on the same rim are 315/60R18 and 335/56R18. 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 325/58R18 you can upsize to 335/52R19 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 315/64R17 (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 325/58R18 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 325/58R18

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