Michelin Primacy MXM4 235/40R18 Tires

Michelin Primacy MXM4 235/40R18 SL 91H is a touring all-season tire priced from $243.84.

Michelin Primacy MXM4 235/40R18 SL 91H Tire Specs

235/40R18 is a Metric tire used as an original equipment on a variety of popular passenger cars. It also comes in a P-Metric (P235/40R18) variant

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

235 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 235/40R18 tire is 235 millimeters.

40 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 235/40R18 tire, the sidewall height is 40% of its tread width.

R denotes that 235/40R18 tire has radial construction.

18 represents the wheel diameter in inches that the tire is designed to fit. 235/40R18 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.

91 indicates the load index. A tire with a load index of 91 can support a maximum load of 1356 pounds or 615 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 Michelin Primacy MXM4 235/40R18 tire is 51 psi.

Uniform Tire Quality Grading System (UTQG) rating for Michelin Primacy MXM4 235/40R18 tire is 500 A A.

Tire manufacturer part number (MPN) is 03689.