Section Width105 mm (4.1")
Aspect Ratio637%
Rim Diameter23"
Overall Diameter1922 mm (75.7")
Sidewall Height669 mm
Circumference6038 mm
105/637R23 — Buy Tires

Everything to know about the 105/637R23 tire size

Size geometry

A 105/637R23 tire has a 105mm section width and a 637% aspect ratio, mounted on a 23-inch rim. Sidewall height works out to 668.9mm (26.33") and overall outside diameter is 1921.9mm (75.67"). At highway speed the tire completes about 166 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/637R23 is unavailable, the closest same-diameter substitutes on the same rim are 95/704R23 and 115/582R23. 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 105/637R23 you can upsize to 115/571R24 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/717R22 (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 105/637R23 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 105/637R23

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