Section Width375 mm (14.8")
Aspect Ratio38%
Rim Diameter23"
Overall Diameter869 mm (34.2")
Sidewall Height143 mm
Circumference2731 mm
375/38R23 — Buy Tires

Everything to know about the 375/38R23 tire size

Size geometry

A 375/38R23 tire has a 375mm section width and a 38% aspect ratio, mounted on a 23-inch rim. Sidewall height works out to 142.5mm (5.61") and overall outside diameter is 869.2mm (34.22"). At highway speed the tire completes about 366 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 375/38R23 is unavailable, the closest same-diameter substitutes on the same rim are 365/39R23 and 385/37R23. 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 375/38R23 you can upsize to 385/34R24 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 365/43R22 (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 375/38R23 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 375/38R23

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