Section Width125 mm (4.9")
Aspect Ratio139%
Rim Diameter14"
Overall Diameter703 mm (27.7")
Sidewall Height174 mm
Circumference2209 mm
125/139R14 — Buy Tires

Everything to know about the 125/139R14 tire size

Size geometry

A 125/139R14 tire has a 125mm section width and a 139% aspect ratio, mounted on a 14-inch rim. Sidewall height works out to 173.8mm (6.84") and overall outside diameter is 703.1mm (27.68"). At highway speed the tire completes about 453 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 125/139R14 is unavailable, the closest same-diameter substitutes on the same rim are 115/151R14 and 135/129R14. 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 125/139R14 you can upsize to 135/119R15 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 115/162R13 (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 125/139R14 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 125/139R14

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