Section Width275 mm (10.8")
Aspect Ratio168%
Rim Diameter39"
Overall Diameter1915 mm (75.4")
Sidewall Height462 mm
Circumference6015 mm
275/168R39 — Buy Tires

Everything to know about the 275/168R39 tire size

Size geometry

A 275/168R39 tire has a 275mm section width and a 168% aspect ratio, mounted on a 39-inch rim. Sidewall height works out to 462.0mm (18.19") and overall outside diameter is 1914.6mm (75.38"). At highway speed the tire completes about 166 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 275/168R39 is unavailable, the closest same-diameter substitutes on the same rim are 265/174R39 and 285/162R39. 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 275/168R39 you can upsize to 285/158R40 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 265/179R38 (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 275/168R39 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 275/168R39

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