Section Width115 mm (4.5")
Aspect Ratio426%
Rim Diameter34"
Overall Diameter1843 mm (72.6")
Sidewall Height490 mm
Circumference5791 mm
115/426R34 — Buy Tires

Everything to know about the 115/426R34 tire size

Size geometry

A 115/426R34 tire has a 115mm section width and a 426% aspect ratio, mounted on a 34-inch rim. Sidewall height works out to 489.9mm (19.29") and overall outside diameter is 1843.4mm (72.57"). At highway speed the tire completes about 173 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 115/426R34 is unavailable, the closest same-diameter substitutes on the same rim are 105/467R34 and 125/392R34. 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 115/426R34 you can upsize to 125/382R35 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 105/479R33 (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 115/426R34 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 115/426R34

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