Section Width115 mm (4.5")
Aspect Ratio368%
Rim Diameter39"
Overall Diameter1837 mm (72.3")
Sidewall Height423 mm
Circumference5771 mm
115/368R39 — Buy Tires

Everything to know about the 115/368R39 tire size

Size geometry

A 115/368R39 tire has a 115mm section width and a 368% aspect ratio, mounted on a 39-inch rim. Sidewall height works out to 423.2mm (16.66") and overall outside diameter is 1837.0mm (72.32"). At highway speed the tire completes about 173 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 115/368R39 is unavailable, the closest same-diameter substitutes on the same rim are 105/403R39 and 125/339R39. 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 115/368R39 you can upsize to 125/328R40 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 105/415R38 (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 115/368R39 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 115/368R39

tire_size.no_vehicles_found