Section Width135 mm (5.3")
Aspect Ratio136%
Rim Diameter20"
Overall Diameter875 mm (34.5")
Sidewall Height184 mm
Circumference2750 mm
135/136R20 — Buy Tires

Everything to know about the 135/136R20 tire size

Size geometry

A 135/136R20 tire has a 135mm section width and a 136% aspect ratio, mounted on a 20-inch rim. Sidewall height works out to 183.6mm (7.23") and overall outside diameter is 875.2mm (34.46"). At highway speed the tire completes about 364 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 135/136R20 is unavailable, the closest same-diameter substitutes on the same rim are 125/147R20 and 145/127R20. 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 135/136R20 you can upsize to 145/118R21 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 125/157R19 (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 135/136R20 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 135/136R20

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