Michelin Pilot Sport All Season 4 275/35R21 Tires

Michelin Pilot Sport All Season 4 275/35R21 XL 103W is an ultra high performance all-season tire priced from $399.99.

Michelin Pilot Sport All Season 4 275/35R21 XL 103W Tire Specs

275/35R21 is a Metric tire used as an original equipment on a variety of popular crossovers and passenger cars.

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 275/35R21 tire is 275 millimeters.

35 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 275/35R21 tire, the sidewall height is 35% of its tread width.

R denotes that 275/35R21 tire has radial construction.

21 represents the wheel diameter in inches that the tire is designed to fit. 275/35R21 can be mounted on rims with 21 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.

W indicates the speed rating. A tire with a speed rating of W is approved for speeds up to 168 miles per hour or 270 kilometers per hour under optimal conditions.

Maximum inflation for Michelin Pilot Sport All Season 4 275/35R21 tire is 50 psi.

Uniform Tire Quality Grading System (UTQG) rating for Michelin Pilot Sport All Season 4 275/35R21 tire is 540 A A.

Tire manufacturer part number (MPN) is 19140.