Section Width115 mm (4.5")
Aspect Ratio166%
Rim Diameter13"
Overall Diameter712 mm (28.0")
Sidewall Height191 mm
Circumference2237 mm
115/166R13 — Buy Tires

Everything to know about the 115/166R13 tire size

Size geometry

A 115/166R13 tire has a 115mm section width and a 166% aspect ratio, mounted on a 13-inch rim. Sidewall height works out to 190.9mm (7.52") and overall outside diameter is 712.0mm (28.03"). At highway speed the tire completes about 447 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 115/166R13 is unavailable, the closest same-diameter substitutes on the same rim are 105/182R13 and 125/153R13. 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 115/166R13 you can upsize to 125/143R14 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 105/194R12 (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 115/166R13 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 115/166R13

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