Michelin Pilot Super Sport 225/40R18 Tires

Michelin Pilot Super Sport 225/40R18 SL 88Y is an ultra high performance summer tire priced from $239.90.

Michelin Pilot Super Sport 225/40R18 SL 88Y Tire Specs

225/40R18 is a Metric tire used as an original equipment on a variety of popular passenger cars. It also comes in a P-Metric (P225/40R18) variant

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

225 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 225/40R18 tire is 225 millimeters.

40 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 225/40R18 tire, the sidewall height is 40% of its tread width.

R denotes that 225/40R18 tire has radial construction.

18 represents the wheel diameter in inches that the tire is designed to fit. 225/40R18 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.

88 indicates the load index. A tire with a load index of 88 can support a maximum load of 1235 pounds or 560 kilograms per tire.

Y indicates the speed rating. A tire with a speed rating of Y is approved for speeds up to 186 miles per hour or 299 kilometers per hour under optimal conditions.

Maximum inflation for Michelin Pilot Super Sport 225/40R18 tire is 51 psi.

Uniform Tire Quality Grading System (UTQG) rating for Michelin Pilot Super Sport 225/40R18 tire is 300 AA A.

Tire manufacturer part number (MPN) is 49739.

Michelin Pilot Super Sport
Buy from $239.90

225/40R18 Dimensions Chart

Michelin Pilot Super Sport 225/40R18 tire has a diameter of 25.1", a width of 8.9", mounts on a 18" rim, and makes 804 revolutions per mile.

Metric Inches
Tire Width 225 mm 8.9"
Aspect Ratio 40%
Rim Diameter 457 mm 18"
Tire Diameter 637 mm 25.1"
Sidewall Height 90 mm 3.5"
Circumference 2000 mm 78.8"
Revolutions 500 per km 804 per mile

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