Section Width155 mm (6.1")
Aspect Ratio110%
Rim Diameter15"
Overall Diameter722 mm (28.4")
Sidewall Height171 mm
Circumference2268 mm
155/110R15 — Buy Tires

Everything to know about the 155/110R15 tire size

Size geometry

A 155/110R15 tire has a 155mm section width and a 110% aspect ratio, mounted on a 15-inch rim. Sidewall height works out to 170.5mm (6.71") and overall outside diameter is 722.0mm (28.43"). At highway speed the tire completes about 441 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 155/110R15 is unavailable, the closest same-diameter substitutes on the same rim are 145/118R15 and 165/103R15. 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 155/110R15 you can upsize to 165/96R16 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 145/126R14 (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 155/110R15 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 155/110R15

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