Pirelli Scorpion Zero All Season 255/45R20 Tires
Pirelli Scorpion Zero All Season 255/45R20 XL 105T is a high performance all-season tire priced from $385.65.
Pirelli Scorpion Zero All Season 255/45R20 XL 105T Tire Specs
255/45R20 is a Metric tire used as an original equipment on a variety of popular crossovers, passenger cars and sport utility vehicles. It also comes in a P-Metric (P255/45R20) variant
Let us decode each aspect of the tire size code to have a full understanding what this tire size means.
255 is a section width of the tire from one sidewall to the other. Tire tread width is typically a bit narrower than the section width. Section width of 255/45R20 tire is 255 millimeters.
45 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 255/45R20 tire, the sidewall height is 45% of its tread width.
R denotes that 255/45R20 tire has radial construction.
20 represents the wheel diameter in inches that the tire is designed to fit. 255/45R20 can be mounted on rims with 20 inches in diameter.
XL denotes the load range of a tire. XL stands for Extra Load. Tires with this designation are constructed to carry more weight than standard load tires of the same size. This is achieved by reinforcing the tire's construction, often through additional or stronger layers known as plies.
105 indicates the load index. A tire with a load index of 105 can support a maximum load of 2039 pounds or 925 kilograms per tire.
T indicates the speed rating. A tire with a speed rating of T is approved for speeds up to 118 miles per hour or 190 kilometers per hour under optimal conditions.
Maximum inflation for Pirelli Scorpion Zero All Season 255/45R20 tire is 50 psi.
Uniform Tire Quality Grading System (UTQG) rating for Pirelli Scorpion Zero All Season 255/45R20 tire is 500 A A.
Tire manufacturer part number (MPN) is 3770100.

255/45R20 Dimensions Chart
Pirelli Scorpion Zero All Season 255/45R20 tire has a diameter of 29.1", a width of 10", mounts on a 20" rim, and makes 693 revolutions per mile.
Metric | Inches | |
---|---|---|
Tire Width | 255 mm | 10" |
Aspect Ratio | 45% | |
Rim Diameter | 508 mm | 20" |
Tire Diameter | 738 mm | 29.1" |
Sidewall Height | 115 mm | 4.5" |
Circumference | 2317 mm | 91.4" |
Revolutions | 432 per km | 693 per mile |
More 255/45R20 Tires
Here are the lowest priced tires availabe in 255/45R20 tire size.

Westlake SA-07 255/45R20
from $115.97
Achilles Street Hawk Sport 255/45R20
from $130.99
Milestar MS932 Sport 255/45R20
from $143.95
Milestar Interceptor A/S 810 255/45R20
from $147.95
Laufenn S Fit AS 255/45R20
from $151.97
GT Radial Champiro HPY 255/45R20
from $159.99
Nitto NT420S 255/45R20
from $168.00
Accelera Iota ST68 255/45R20
from $168.94Shop more 255/45R20 tires with tire finder.
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