Section Width175 mm (6.9")
Aspect Ratio30%
Rim Diameter34"
Overall Diameter969 mm (38.1")
Sidewall Height53 mm
Circumference3043 mm
175/30R34 — Buy Tires

Everything to know about the 175/30R34 tire size

Size geometry

A 175/30R34 tire has a 175mm section width and a 30% aspect ratio, mounted on a 34-inch rim. Sidewall height works out to 52.5mm (2.07") and overall outside diameter is 968.6mm (38.13"). At highway speed the tire completes about 329 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 175/30R34 is unavailable, the closest same-diameter substitutes on the same rim are 165/32R34 and 185/28R34. 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 175/30R34 you can upsize to 185/22R35 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 165/40R33 (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 175/30R34 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 175/30R34

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