Section Width135 mm (5.3")
Aspect Ratio68%
Rim Diameter17"
Overall Diameter615 mm (24.2")
Sidewall Height92 mm
Circumference1933 mm
135/68R17 — Buy Tires

Everything to know about the 135/68R17 tire size

Size geometry

A 135/68R17 tire has a 135mm section width and a 68% aspect ratio, mounted on a 17-inch rim. Sidewall height works out to 91.8mm (3.61") and overall outside diameter is 615.4mm (24.23"). At highway speed the tire completes about 517 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 135/68R17 is unavailable, the closest same-diameter substitutes on the same rim are 125/73R17 and 145/63R17. 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 135/68R17 you can upsize to 145/55R18 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 125/84R16 (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 135/68R17 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 135/68R17

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