Section Width515 mm (20.3")
Aspect Ratio137%
Rim Diameter20"
Overall Diameter1919 mm (75.6")
Sidewall Height706 mm
Circumference6029 mm
515/137R20 — Buy Tires

Everything to know about the 515/137R20 tire size

Size geometry

A 515/137R20 tire has a 515mm section width and a 137% aspect ratio, mounted on a 20-inch rim. Sidewall height works out to 705.5mm (27.78") and overall outside diameter is 1919.1mm (75.56"). At highway speed the tire completes about 166 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 515/137R20 is unavailable, the closest same-diameter substitutes on the same rim are 505/140R20 and 525/134R20. 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 515/137R20 you can upsize to 525/132R21 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 505/142R19 (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 515/137R20 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 515/137R20

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