Section Width105 mm (4.1")
Aspect Ratio407%
Rim Diameter39"
Overall Diameter1845 mm (72.7")
Sidewall Height427 mm
Circumference5797 mm
105/407R39 — Buy Tires

Everything to know about the 105/407R39 tire size

Size geometry

A 105/407R39 tire has a 105mm section width and a 407% aspect ratio, mounted on a 39-inch rim. Sidewall height works out to 427.4mm (16.82") and overall outside diameter is 1845.3mm (72.65"). At highway speed the tire completes about 172 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 105/407R39 is unavailable, the closest same-diameter substitutes on the same rim are 95/450R39 and 115/372R39. 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 105/407R39 you can upsize to 115/361R40 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 95/463R38 (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 105/407R39 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 105/407R39

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