Toyo Extensa HP P255/45R18 Tires
Toyo Extensa HP P255/45R18 XL 103W is a high performance all-season tire.
Toyo Extensa HP P255/45R18 XL 103W Tire Specs
P255/45R18 is a P-Metric tire used as an original equipment on a variety of popular passenger cars and pickup trucks. It also comes in a Metric (255/45R18) variant
Let us decode each aspect of the tire size code to have a full understanding what this tire size means.
P indicates that P255/45R18 is a passenger tire.
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 P255/45R18 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 P255/45R18 tire, the sidewall height is 45% of its tread width.
R denotes that P255/45R18 tire has radial construction.
18 represents the wheel diameter in inches that the tire is designed to fit. P255/45R18 can be mounted on rims with 18 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.
103 indicates the load index. A tire with a load index of 103 can support a maximum load of 1929 pounds or 875 kilograms per tire.
W indicates the speed rating. A tire with a speed rating of W is approved for speeds up to 168 miles per hour or 270 kilometers per hour under optimal conditions.
Maximum inflation for Toyo Extensa HP P255/45R18 tire is 50 psi.
Uniform Tire Quality Grading System (UTQG) rating for Toyo Extensa HP P255/45R18 tire is 360 A A.
Tire manufacturer part number (MPN) is 195780.

P255/45R18 Dimensions Chart
Toyo Extensa HP P255/45R18 tire has a diameter of 27", a width of 10", mounts on a 18" rim, and makes 747 revolutions per mile.
Metric | Inches | |
---|---|---|
Tire Width | 255 mm | 10" |
Aspect Ratio | 45% | |
Rim Diameter | 457 mm | 18" |
Tire Diameter | 687 mm | 27" |
Sidewall Height | 115 mm | 4.5" |
Circumference | 2157 mm | 84.8" |
Revolutions | 464 per km | 747 per mile |
More P255/45R18 Tires
Here are the lowest priced tires availabe in P255/45R18 tire size.

Kumho Ecsta LX Platinum P255/45R18
from $129.96Shop more P255/45R18 tires with tire finder.
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