Westlake RP18 155/80R13 Tires
Westlake RP18 155/80R13 SL 79T is a touring all-season tire priced from $53.99.
Westlake RP18 155/80R13 SL 79T Tire Specs
155/80R13 is a Metric tire used as an original equipment on a variety of popular passenger cars. It also comes in a P-Metric (P155/80R13) and a Special Trailer (ST155/80R13) variant
Let us decode each aspect of the tire size code to have a full understanding what this tire size means.
155 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 155/80R13 tire is 155 millimeters.
80 represents the aspect ratio of a tire, which is a ratio of the tire's sidewall height to its width. For 155/80R13 tire, the sidewall height is 80% of its tread width.
R denotes that 155/80R13 tire has radial construction.
13 represents the wheel diameter in inches that the tire is designed to fit. 155/80R13 can be mounted on rims with 13 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.
79 indicates the load index. A tire with a load index of 79 can support a maximum load of 963 pounds or 437 kilograms per tire.
T indicates the speed rating. A tire with a speed rating of T is approved for speeds up to 118 miles per hour or 190 kilometers per hour under optimal conditions.
Maximum inflation for Westlake RP18 155/80R13 tire is 44 psi.
Uniform Tire Quality Grading System (UTQG) rating for Westlake RP18 155/80R13 tire is 500 A A.
Tire manufacturer part number (MPN) is 24160017.

155/80R13 Dimensions Chart
Westlake RP18 155/80R13 tire has a diameter of 22.8", a width of 6.1", mounts on a 13" rim, and makes 885 revolutions per mile.
Metric | Inches | |
---|---|---|
Tire Width | 155 mm | 6.1" |
Aspect Ratio | 80% | |
Rim Diameter | 330 mm | 13" |
Tire Diameter | 578 mm | 22.8" |
Sidewall Height | 124 mm | 4.9" |
Circumference | 1815 mm | 71.6" |
Revolutions | 551 per km | 885 per mile |
More 155/80R13 Tires
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