Section Width625 mm (24.6")
Aspect Ratio40%
Rim Diameter17"
Overall Diameter932 mm (36.7")
Sidewall Height250 mm
Circumference2927 mm
625/40R17 — Buy Tires

Everything to know about the 625/40R17 tire size

Size geometry

A 625/40R17 tire has a 625mm section width and a 40% aspect ratio, mounted on a 17-inch rim. Sidewall height works out to 250.0mm (9.84") and overall outside diameter is 931.8mm (36.69"). At highway speed the tire completes about 342 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 625/40R17 is unavailable, the closest same-diameter substitutes on the same rim are 615/41R17 and 635/39R17. 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 625/40R17 you can upsize to 635/37R18 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 615/43R16 (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 625/40R17 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 625/40R17

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