Sumitomo HTR A/S P03 235/40R18 Tires

Sumitomo HTR A/S P03 235/40R18 XL 95W is an ultra high performance all-season tire priced from $155.99.

Sumitomo HTR A/S P03 235/40R18 XL 95W 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.

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.

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.

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 Sumitomo HTR A/S P03 235/40R18 tire is 50 psi.

Uniform Tire Quality Grading System (UTQG) rating for Sumitomo HTR A/S P03 235/40R18 tire is 540 A A.

Tire manufacturer part number (MPN) is ASP83.

Sumitomo HTR A/S P03
Buy from $155.99

235/40R18 Dimensions Chart

Sumitomo HTR A/S P03 235/40R18 tire has a diameter of 25.4", a width of 9.3", mounts on a 18" rim, and makes 794 revolutions per mile.

Metric Inches
Tire Width 235 mm 9.3"
Aspect Ratio 40%
Rim Diameter 457 mm 18"
Tire Diameter 645 mm 25.4"
Sidewall Height 94 mm 3.7"
Circumference 2025 mm 79.8"
Revolutions 494 per km 794 per mile

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