Section Width515 mm (20.3")
Aspect Ratio66%
Rim Diameter10"
Overall Diameter934 mm (36.8")
Sidewall Height340 mm
Circumference2934 mm
515/66R10 — Buy Tires

Everything to know about the 515/66R10 tire size

Size geometry

A 515/66R10 tire has a 515mm section width and a 66% aspect ratio, mounted on a 10-inch rim. Sidewall height works out to 339.9mm (13.38") and overall outside diameter is 933.8mm (36.76"). At highway speed the tire completes about 341 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 515/66R10 is unavailable, the closest same-diameter substitutes on the same rim are 505/67R10 and 525/65R10. 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 515/66R10 you can upsize to 525/62R11 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 505/70R9 (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 515/66R10 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 515/66R10

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