Section Width145 mm (5.7")
Aspect Ratio299%
Rim Diameter39"
Overall Diameter1858 mm (73.1")
Sidewall Height434 mm
Circumference5836 mm
145/299R39 — Buy Tires

Everything to know about the 145/299R39 tire size

Size geometry

A 145/299R39 tire has a 145mm section width and a 299% aspect ratio, mounted on a 39-inch rim. Sidewall height works out to 433.6mm (17.07") and overall outside diameter is 1857.7mm (73.14"). At highway speed the tire completes about 171 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 145/299R39 is unavailable, the closest same-diameter substitutes on the same rim are 135/321R39 and 155/280R39. 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 145/299R39 you can upsize to 155/272R40 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 135/331R38 (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 145/299R39 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 145/299R39

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