Section Width375 mm (14.8")
Aspect Ratio31%
Rim Diameter13"
Overall Diameter563 mm (22.1")
Sidewall Height116 mm
Circumference1768 mm
375/31R13 — Buy Tires

Everything to know about the 375/31R13 tire size

Size geometry

A 375/31R13 tire has a 375mm section width and a 31% aspect ratio, mounted on a 13-inch rim. Sidewall height works out to 116.3mm (4.58") and overall outside diameter is 562.7mm (22.15"). At highway speed the tire completes about 566 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 375/31R13 is unavailable, the closest same-diameter substitutes on the same rim are 365/32R13 and 385/30R13. 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 375/31R13 you can upsize to 385/27R14 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 365/35R12 (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 375/31R13 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 375/31R13

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