Section Width135 mm (5.3")
Aspect Ratio279%
Rim Diameter42"
Overall Diameter1820 mm (71.7")
Sidewall Height377 mm
Circumference5718 mm
135/279R42 — Buy Tires

Everything to know about the 135/279R42 tire size

Size geometry

A 135/279R42 tire has a 135mm section width and a 279% aspect ratio, mounted on a 42-inch rim. Sidewall height works out to 376.6mm (14.83") and overall outside diameter is 1820.1mm (71.66"). At highway speed the tire completes about 175 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 135/279R42 is unavailable, the closest same-diameter substitutes on the same rim are 125/301R42 and 145/260R42. 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 135/279R42 you can upsize to 145/251R43 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 125/311R41 (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 135/279R42 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 135/279R42

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