Section Width115 mm (4.5")
Aspect Ratio42%
Rim Diameter29"
Overall Diameter833 mm (32.8")
Sidewall Height48 mm
Circumference2618 mm
115/42R29 — Buy Tires

Everything to know about the 115/42R29 tire size

Size geometry

A 115/42R29 tire has a 115mm section width and a 42% aspect ratio, mounted on a 29-inch rim. Sidewall height works out to 48.3mm (1.90") and overall outside diameter is 833.2mm (32.80"). At highway speed the tire completes about 382 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 115/42R29 is unavailable, the closest same-diameter substitutes on the same rim are 105/46R29 and 125/39R29. 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 115/42R29 you can upsize to 125/28R30 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 105/58R28 (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 115/42R29 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 115/42R29

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