Section Width155 mm (6.1")
Aspect Ratio291%
Rim Diameter37"
Overall Diameter1842 mm (72.5")
Sidewall Height451 mm
Circumference5787 mm
155/291R37 — Buy Tires

Everything to know about the 155/291R37 tire size

Size geometry

A 155/291R37 tire has a 155mm section width and a 291% aspect ratio, mounted on a 37-inch rim. Sidewall height works out to 451.1mm (17.76") and overall outside diameter is 1841.9mm (72.52"). At highway speed the tire completes about 173 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 155/291R37 is unavailable, the closest same-diameter substitutes on the same rim are 145/311R37 and 165/273R37. 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 155/291R37 you can upsize to 165/266R38 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 145/320R36 (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 155/291R37 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 155/291R37

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