Section Width435 mm (17.1")
Aspect Ratio18%
Rim Diameter34"
Overall Diameter1020 mm (40.2")
Sidewall Height78 mm
Circumference3205 mm
435/18R34 — Buy Tires

Everything to know about the 435/18R34 tire size

Size geometry

A 435/18R34 tire has a 435mm section width and a 18% aspect ratio, mounted on a 34-inch rim. Sidewall height works out to 78.3mm (3.08") and overall outside diameter is 1020.2mm (40.17"). At highway speed the tire completes about 312 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 435/18R34 is unavailable, the closest same-diameter substitutes on the same rim are 425/18R34 and 445/18R34. 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 435/18R34 you can upsize to 445/15R35 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 425/21R33 (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 435/18R34 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 435/18R34

tire_size.no_vehicles_found