Firestone WeatherGrip 215/55R18 Tires

Firestone WeatherGrip 215/55R18 SL 95H is an all-weather tire priced from $184.99.

Firestone WeatherGrip 215/55R18 SL 95H Tire Specs

215/55R18 is a Metric tire used as an original equipment on a variety of popular crossovers, passenger cars and sport utility vehicles. It also comes in a P-Metric (P215/55R18) variant

Let us decode each aspect of the tire size code to have a full understanding what this tire size means.

215 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 215/55R18 tire is 215 millimeters.

55 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 215/55R18 tire, the sidewall height is 55% of its tread width.

R denotes that 215/55R18 tire has radial construction.

18 represents the wheel diameter in inches that the tire is designed to fit. 215/55R18 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.

95 indicates the load index. A tire with a load index of 95 can support a maximum load of 1521 pounds or 690 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 Firestone WeatherGrip 215/55R18 tire is 44 psi.

Uniform Tire Quality Grading System (UTQG) rating for Firestone WeatherGrip 215/55R18 tire is 640 A A.

Tire manufacturer part number (MPN) is 011557.