Section Width155 mm (6.1")
Aspect Ratio290%
Rim Diameter38"
Overall Diameter1864 mm (73.4")
Sidewall Height450 mm
Circumference5857 mm
155/290R38 — Buy Tires

Everything to know about the 155/290R38 tire size

Size geometry

A 155/290R38 tire has a 155mm section width and a 290% aspect ratio, mounted on a 38-inch rim. Sidewall height works out to 449.5mm (17.70") and overall outside diameter is 1864.2mm (73.39"). At highway speed the tire completes about 171 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 155/290R38 is unavailable, the closest same-diameter substitutes on the same rim are 145/310R38 and 165/272R38. 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 155/290R38 you can upsize to 165/265R39 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 145/319R37 (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 155/290R38 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 155/290R38

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