255/55R20 Tires
Find out if 255/55R20 fits your vehicle. Check out 255/55R20 tire size specifications and suggested replacement sizes.
What are 255/55R20 dimensions?
255/55R20 tire has a section width of 10 inches, a rim diameter of 20 inches, a sidewall height of 5.5 inches, an overall diameter of 31 inches, and a circumference of 97.3 inches, making 651 revolutions per mile.

10"
31"


97.3"
20"
5.5"
651 Revs/Mile
Metric | Inches | |
---|---|---|
Overall Diameter | 788 mm | 31" |
Tread Width | 255 mm | 10" |
Aspect Ratio | 55 % | |
Rim Diameter | 508 mm | 20" |
Sidewall Height | 140 mm | 5.5" |
Circumference | 2474.3 mm | 97.3" |
Revolutions | 404 per km | 651 per mile |
What is 255/55R20 in inches?
255/55R20 in inches is equivalent to 31x10R20.
What are replacement tire sizes for 255/55R20?
Replacement tires have to be within 3% of the original tire's overall diameter to ensure safe drive and proper speedometer readings. Below is a list of similar tire sizes that are within optimal characteristics of the original 255/55R20 size.
What cars does 255/55R20 tire size fit?
There are 7 car models that use 255/55R20 as original equipment tire size. Select your vehicle model for more details.