Section Width205 mm (8.1")
Aspect Ratio37%
Rim Diameter23"
Overall Diameter736 mm (29.0")
Sidewall Height76 mm
Circumference2312 mm
205/37R23 — Buy Tires

Everything to know about the 205/37R23 tire size

Size geometry

A 205/37R23 tire has a 205mm section width and a 37% aspect ratio, mounted on a 23-inch rim. Sidewall height works out to 75.8mm (2.99") and overall outside diameter is 735.9mm (28.97"). At highway speed the tire completes about 433 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 205/37R23 is unavailable, the closest same-diameter substitutes on the same rim are 195/39R23 and 215/35R23. 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 205/37R23 you can upsize to 215/29R24 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 195/45R22 (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 205/37R23 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 205/37R23

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