Continental ExtremeContact Sport 02 275/40R18 Tires
Continental ExtremeContact Sport 02 275/40R18 SL 99Y is an ultra high performance summer tire priced from $310.99.
Continental ExtremeContact Sport 02 275/40R18 SL 99Y 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.
SL denotes the load range of a tire. Standard Load or SL tires are typically found on passenger cars, smaller SUVs, and light trucks. These tires are designed to operate at standard inflation pressures and are not meant for carrying heavy loads.
99 indicates the load index. A tire with a load index of 99 can support a maximum load of 1709 pounds or 775 kilograms per tire.
Y indicates the speed rating. A tire with a speed rating of Y is approved for speeds up to 186 miles per hour or 299 kilometers per hour under optimal conditions.
Maximum inflation for Continental ExtremeContact Sport 02 275/40R18 tire is 51 psi.
Uniform Tire Quality Grading System (UTQG) rating for Continental ExtremeContact Sport 02 275/40R18 tire is 340 AA A.
Tire manufacturer part number (MPN) is 03125220000.

275/40R18 Dimensions Chart
Continental ExtremeContact Sport 02 275/40R18 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
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Kumho Majesty 9 Solus TA91 275/40R18
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Sumitomo HTR Z5 275/40R18
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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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