Section Width375 mm (14.8")
Aspect Ratio12%
Rim Diameter32"
Overall Diameter903 mm (35.5")
Sidewall Height45 mm
Circumference2836 mm
375/12R32 — Buy Tires

Everything to know about the 375/12R32 tire size

Size geometry

A 375/12R32 tire has a 375mm section width and a 12% aspect ratio, mounted on a 32-inch rim. Sidewall height works out to 45.0mm (1.77") and overall outside diameter is 902.8mm (35.54"). At highway speed the tire completes about 353 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 375/12R32 is unavailable, the closest same-diameter substitutes on the same rim are 365/12R32 and 385/12R32. 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 375/12R32 you can upsize to 385/8R33 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 365/16R31 (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 375/12R32 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 375/12R32

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