Section Width115 mm (4.5")
Aspect Ratio52%
Rim Diameter66"
Overall Diameter1796 mm (70.7")
Sidewall Height60 mm
Circumference5642 mm
115/52R66 — Buy Tires

Everything to know about the 115/52R66 tire size

Size geometry

A 115/52R66 tire has a 115mm section width and a 52% aspect ratio, mounted on a 66-inch rim. Sidewall height works out to 59.8mm (2.35") and overall outside diameter is 1796.0mm (70.71"). At highway speed the tire completes about 177 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 115/52R66 is unavailable, the closest same-diameter substitutes on the same rim are 105/57R66 and 125/48R66. 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 115/52R66 you can upsize to 125/38R67 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 105/69R65 (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 115/52R66 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 115/52R66

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