Section Width105 mm (4.1")
Aspect Ratio168%
Rim Diameter15"
Overall Diameter734 mm (28.9")
Sidewall Height176 mm
Circumference2305 mm
105/168R15 — Buy Tires

Everything to know about the 105/168R15 tire size

Size geometry

A 105/168R15 tire has a 105mm section width and a 168% aspect ratio, mounted on a 15-inch rim. Sidewall height works out to 176.4mm (6.94") and overall outside diameter is 733.8mm (28.89"). At highway speed the tire completes about 434 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/168R15 is unavailable, the closest same-diameter substitutes on the same rim are 95/186R15 and 115/153R15. 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 105/168R15 you can upsize to 115/142R16 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/199R14 (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 105/168R15 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 105/168R15

tire_size.no_vehicles_found