Section Width205 mm (8.1")
Aspect Ratio37%
Rim Diameter26"
Overall Diameter812 mm (32.0")
Sidewall Height76 mm
Circumference2551 mm
205/37R26 — Buy Tires

Everything to know about the 205/37R26 tire size

Size geometry

A 205/37R26 tire has a 205mm section width and a 37% aspect ratio, mounted on a 26-inch rim. Sidewall height works out to 75.8mm (2.99") and overall outside diameter is 812.1mm (31.97"). At highway speed the tire completes about 392 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 205/37R26 is unavailable, the closest same-diameter substitutes on the same rim are 195/39R26 and 215/35R26. 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 205/37R26 you can upsize to 215/29R27 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 195/45R25 (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 205/37R26 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 205/37R26

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