Section Width135 mm (5.3")
Aspect Ratio215%
Rim Diameter12"
Overall Diameter885 mm (34.9")
Sidewall Height290 mm
Circumference2781 mm
135/215R12 — Buy Tires

Everything to know about the 135/215R12 tire size

Size geometry

A 135/215R12 tire has a 135mm section width and a 215% aspect ratio, mounted on a 12-inch rim. Sidewall height works out to 290.3mm (11.43") and overall outside diameter is 885.3mm (34.85"). At highway speed the tire completes about 360 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 135/215R12 is unavailable, the closest same-diameter substitutes on the same rim are 125/232R12 and 145/200R12. 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 135/215R12 you can upsize to 145/191R13 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 125/242R11 (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 135/215R12 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 135/215R12

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