Section Width105 mm (4.1")
Aspect Ratio428%
Rim Diameter38"
Overall Diameter1864 mm (73.4")
Sidewall Height449 mm
Circumference5856 mm
105/428R38 — Buy Tires

Everything to know about the 105/428R38 tire size

Size geometry

A 105/428R38 tire has a 105mm section width and a 428% aspect ratio, mounted on a 38-inch rim. Sidewall height works out to 449.4mm (17.69") and overall outside diameter is 1864.0mm (73.39"). At highway speed the tire completes about 171 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/428R38 is unavailable, the closest same-diameter substitutes on the same rim are 95/473R38 and 115/391R38. 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 105/428R38 you can upsize to 115/380R39 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/486R37 (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 105/428R38 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 105/428R38

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