Section Width135 mm (5.3")
Aspect Ratio53%
Rim Diameter21"
Overall Diameter677 mm (26.6")
Sidewall Height72 mm
Circumference2125 mm
135/53R21 — Buy Tires

Everything to know about the 135/53R21 tire size

Size geometry

A 135/53R21 tire has a 135mm section width and a 53% aspect ratio, mounted on a 21-inch rim. Sidewall height works out to 71.5mm (2.82") and overall outside diameter is 676.5mm (26.63"). At highway speed the tire completes about 471 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 135/53R21 is unavailable, the closest same-diameter substitutes on the same rim are 125/57R21 and 145/49R21. 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 135/53R21 you can upsize to 145/41R22 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 125/67R20 (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 135/53R21 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 135/53R21

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