255/85R17 tires have a diameter of 34.1", a section width of 10.0", and a wheel diameter of 17". The circumference is 107.0" and they have 592 revolutions per mile.
Specs may vary by manufacturer. learn more
When searching for the perfect tire for your vehicle you need options. Click the "Alternate Sizes" button to see a list of similar tire sizes. You can then change the wheel size to see alternate sizes on a different diameter wheel.