Pirelli Cinturato P7 All Season 275/40R18 Tires
Pirelli Cinturato P7 All Season 275/40R18 XL 103H is a high performance all-season tire with run-flat capability priced from $243.58.
Pirelli Cinturato P7 All Season 275/40R18 XL 103H Tire Specs
275/40R18 is a Metric tire used as an original equipment on a variety of popular passenger cars. It also comes in a P-Metric (P275/40R18) variant
Let us decode each aspect of the tire size code to have a full understanding what this tire size means.
275 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 275/40R18 tire is 275 millimeters.
40 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 275/40R18 tire, the sidewall height is 40% of its tread width.
R denotes that 275/40R18 tire has radial construction.
18 represents the wheel diameter in inches that the tire is designed to fit. 275/40R18 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.
H indicates the speed rating. A tire with a speed rating of H is approved for speeds up to 130 miles per hour or 209 kilometers per hour under optimal conditions.
Pirelli Cinturato P7 All Season 275/40R18 is a run-flat tire designed to resist the effects of deflation when punctured, and to enable the vehicle to continue to be driven at a reduced speed for a limited distance.
Maximum inflation for Pirelli Cinturato P7 All Season 275/40R18 tire is 50 psi.
Uniform Tire Quality Grading System (UTQG) rating for Pirelli Cinturato P7 All Season 275/40R18 tire is 500 A A.
Tire manufacturer part number (MPN) is 3120500.

275/40R18 Dimensions Chart
Pirelli Cinturato P7 All Season 275/40R18 tire has a diameter of 26.7", a width of 10.8", mounts on a 18" rim, and makes 756 revolutions per mile.
Metric | Inches | |
---|---|---|
Tire Width | 275 mm | 10.8" |
Aspect Ratio | 40% | |
Rim Diameter | 457 mm | 18" |
Tire Diameter | 677 mm | 26.7" |
Sidewall Height | 110 mm | 4.3" |
Circumference | 2126 mm | 83.8" |
Revolutions | 470 per km | 756 per mile |
More 275/40R18 Tires
Here are the lowest priced tires availabe in 275/40R18 tire size.

Accelera Phi 2 275/40R18
from $110.98
Nexen Winguard Sport 2 275/40R18
from $145.97
Kumho Majesty 9 Solus TA91 275/40R18
from $199.48
Sumitomo HTR Z5 275/40R18
from $200.99
Falken Azenis FK510 275/40R18
from $201.00
Toyo Extensa HP II 275/40R18
from $202.58
General G-Max RS 275/40R18
from $218.99
Kumho Ecsta PA51 275/40R18
from $226.00Shop more 275/40R18 tires with tire finder.
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