Cooper CS5 Ultra Touring 255/65R18 Tires

Cooper CS5 Ultra Touring 255/65R18 SL 111H is a touring all-season tire.

Cooper CS5 Ultra Touring 255/65R18 SL 111H Tire Specs

255/65R18 is a Metric tire used as an original equipment on a variety of popular pickup trucks and sport utility vehicles. It also comes in a LT-Metric (LT255/65R18) and a P-Metric (P255/65R18) 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 255/65R18 tire is 255 millimeters.

65 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 255/65R18 tire, the sidewall height is 65% of its tread width.

R denotes that 255/65R18 tire has radial construction.

18 represents the wheel diameter in inches that the tire is designed to fit. 255/65R18 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.

111 indicates the load index. A tire with a load index of 111 can support a maximum load of 2403 pounds or 1090 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.

Maximum inflation for Cooper CS5 Ultra Touring 255/65R18 tire is 44 psi.

Uniform Tire Quality Grading System (UTQG) rating for Cooper CS5 Ultra Touring 255/65R18 tire is 640 A A.

Tire manufacturer part number (MPN) is 166022002.