Section Width135 mm (5.3")
Aspect Ratio480%
Rim Diameter21"
Overall Diameter1829 mm (72.0")
Sidewall Height648 mm
Circumference5747 mm
135/480R21 — Buy Tires

Everything to know about the 135/480R21 tire size

Size geometry

A 135/480R21 tire has a 135mm section width and a 480% aspect ratio, mounted on a 21-inch rim. Sidewall height works out to 648.0mm (25.51") and overall outside diameter is 1829.4mm (72.02"). At highway speed the tire completes about 174 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 135/480R21 is unavailable, the closest same-diameter substitutes on the same rim are 125/518R21 and 145/447R21. 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 135/480R21 you can upsize to 145/438R22 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 125/529R20 (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 135/480R21 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 135/480R21

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