Section Width175 mm (6.9")
Aspect Ratio37%
Rim Diameter26"
Overall Diameter790 mm (31.1")
Sidewall Height65 mm
Circumference2482 mm
175/37R26 — Buy Tires

Everything to know about the 175/37R26 tire size

Size geometry

A 175/37R26 tire has a 175mm section width and a 37% aspect ratio, mounted on a 26-inch rim. Sidewall height works out to 64.8mm (2.55") and overall outside diameter is 789.9mm (31.10"). At highway speed the tire completes about 403 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 175/37R26 is unavailable, the closest same-diameter substitutes on the same rim are 165/39R26 and 185/35R26. 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 175/37R26 you can upsize to 185/28R27 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 165/47R25 (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 175/37R26 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 175/37R26

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