Section Width525 mm (20.7")
Aspect Ratio134%
Rim Diameter20"
Overall Diameter1915 mm (75.4")
Sidewall Height704 mm
Circumference6016 mm
525/134R20 — Buy Tires

Everything to know about the 525/134R20 tire size

Size geometry

A 525/134R20 tire has a 525mm section width and a 134% aspect ratio, mounted on a 20-inch rim. Sidewall height works out to 703.5mm (27.70") and overall outside diameter is 1915.0mm (75.39"). At highway speed the tire completes about 166 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 525/134R20 is unavailable, the closest same-diameter substitutes on the same rim are 515/137R20 and 535/131R20. 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 525/134R20 you can upsize to 535/129R21 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 515/139R19 (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 525/134R20 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 525/134R20

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