Section Width105 mm (4.1")
Aspect Ratio168%
Rim Diameter17"
Overall Diameter785 mm (30.9")
Sidewall Height176 mm
Circumference2465 mm
105/168R17 — Buy Tires

Everything to know about the 105/168R17 tire size

Size geometry

A 105/168R17 tire has a 105mm section width and a 168% aspect ratio, mounted on a 17-inch rim. Sidewall height works out to 176.4mm (6.94") and overall outside diameter is 784.6mm (30.89"). At highway speed the tire completes about 406 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/168R17 is unavailable, the closest same-diameter substitutes on the same rim are 95/186R17 and 115/153R17. 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 105/168R17 you can upsize to 115/142R18 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/199R16 (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 105/168R17 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 105/168R17

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