Section Width305 mm (12.0")
Aspect Ratio34%
Rim Diameter26"
Overall Diameter868 mm (34.2")
Sidewall Height104 mm
Circumference2726 mm
305/34R26 — Buy Tires

Everything to know about the 305/34R26 tire size

Size geometry

A 305/34R26 tire has a 305mm section width and a 34% aspect ratio, mounted on a 26-inch rim. Sidewall height works out to 103.7mm (4.08") and overall outside diameter is 867.8mm (34.17"). At highway speed the tire completes about 367 revolutions per kilometre — your speedometer and odometer were calibrated against this number.

Direct substitute sizes

If 305/34R26 is unavailable, the closest same-diameter substitutes on the same rim are 295/35R26 and 315/33R26. 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 305/34R26 you can upsize to 315/29R27 (plus-one) to fit a larger wheel without changing the speedometer reading, or downsize to 295/39R25 (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 305/34R26 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 305/34R26

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