Section Width155 mm (6.1")
Aspect Ratio122%
Rim Diameter11"
Overall Diameter658 mm (25.9")
Sidewall Height189 mm
Circumference2066 mm
155/122R11 — Buy Tires

Everything to know about the 155/122R11 tire size

Size geometry

A 155/122R11 tire has a 155mm section width and a 122% aspect ratio, mounted on a 11-inch rim. Sidewall height works out to 189.1mm (7.44") and overall outside diameter is 657.6mm (25.89"). At highway speed the tire completes about 484 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 155/122R11 is unavailable, the closest same-diameter substitutes on the same rim are 145/130R11 and 165/115R11. 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 155/122R11 you can upsize to 165/107R12 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 145/139R10 (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 155/122R11 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 155/122R11

tire_size.no_vehicles_found