Section Width265 mm (10.4")
Aspect Ratio40%
Rim Diameter15"
Overall Diameter593 mm (23.4")
Sidewall Height106 mm
Circumference1863 mm
265/40R15 — Buy Tires

Everything to know about the 265/40R15 tire size

Size geometry

A 265/40R15 tire has a 265mm section width and a 40% aspect ratio, mounted on a 15-inch rim. Sidewall height works out to 106.0mm (4.17") and overall outside diameter is 593.0mm (23.35"). At highway speed the tire completes about 537 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 265/40R15 is unavailable, the closest same-diameter substitutes on the same rim are 255/42R15 and 275/39R15. 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 265/40R15 you can upsize to 275/34R16 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 255/47R14 (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 265/40R15 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 265/40R15

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