Kumho Ecsta STX 275/55R18 Tires

Kumho Ecsta STX 275/55R18 XL 114V is an ultra high performance all-season tire priced from $185.98.

Kumho Ecsta STX 275/55R18 XL 114V Tire Specs

275/55R18 is a Metric tire. It also comes in a P-Metric (P275/55R18) 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 275/55R18 tire is 275 millimeters.

55 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 275/55R18 tire, the sidewall height is 55% of its tread width.

R denotes that 275/55R18 tire has radial construction.

18 represents the wheel diameter in inches that the tire is designed to fit. 275/55R18 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.

114 indicates the load index. A tire with a load index of 114 can support a maximum load of 2601 pounds or 1180 kilograms per tire.

V indicates the speed rating. A tire with a speed rating of V is approved for speeds up to 149 miles per hour or 240 kilometers per hour under optimal conditions.

Maximum inflation for Kumho Ecsta STX 275/55R18 tire is 50 psi.

Uniform Tire Quality Grading System (UTQG) rating for Kumho Ecsta STX 275/55R18 tire is 420 A A.

Tire manufacturer part number (MPN) is 2101383.