Section Width915 mm (36.0")
Aspect Ratio39%
Rim Diameter14"
Overall Diameter1069 mm (42.1")
Sidewall Height357 mm
Circumference3359 mm
915/39R14 — Buy Tires

Everything to know about the 915/39R14 tire size

Size geometry

A 915/39R14 tire has a 915mm section width and a 39% aspect ratio, mounted on a 14-inch rim. Sidewall height works out to 356.9mm (14.05") and overall outside diameter is 1069.3mm (42.10"). At highway speed the tire completes about 298 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 915/39R14 is unavailable, the closest same-diameter substitutes on the same rim are 905/39R14 and 925/39R14. 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 915/39R14 you can upsize to 925/37R15 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 905/41R13 (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 915/39R14 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 915/39R14

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