Section Width125 mm (4.9")
Aspect Ratio158%
Rim Diameter15"
Overall Diameter776 mm (30.6")
Sidewall Height198 mm
Circumference2438 mm
125/158R15 — Buy Tires

Everything to know about the 125/158R15 tire size

Size geometry

A 125/158R15 tire has a 125mm section width and a 158% aspect ratio, mounted on a 15-inch rim. Sidewall height works out to 197.5mm (7.78") and overall outside diameter is 776.0mm (30.55"). At highway speed the tire completes about 410 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 125/158R15 is unavailable, the closest same-diameter substitutes on the same rim are 115/172R15 and 135/146R15. 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 125/158R15 you can upsize to 135/137R16 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 115/183R14 (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 125/158R15 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 125/158R15

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