Section Width155 mm (6.1")
Aspect Ratio140%
Rim Diameter10"
Overall Diameter688 mm (27.1")
Sidewall Height217 mm
Circumference2161 mm
155/140R10 — Buy Tires

Everything to know about the 155/140R10 tire size

Size geometry

A 155/140R10 tire has a 155mm section width and a 140% aspect ratio, mounted on a 10-inch rim. Sidewall height works out to 217.0mm (8.54") and overall outside diameter is 688.0mm (27.09"). At highway speed the tire completes about 463 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 155/140R10 is unavailable, the closest same-diameter substitutes on the same rim are 145/150R10 and 165/132R10. 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 155/140R10 you can upsize to 165/124R11 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 145/158R9 (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 155/140R10 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 155/140R10

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