How to Identify the Markings on Car Tires?

1 Answers
DiLondon
07/29/25 7:57pm
Identifying the markings on car tires: You can see them from the sidewall text. Currently, almost all passenger car tires are radial tires. The specifications of radial passenger car tires are marked in the order of tread width, aspect ratio, compatible rim diameter, load index, and speed rating. Car tire markings refer to the meanings of various symbols on the tire, including the tire's specifications, ply rating, rim size, speed rating, etc. For example, 195/65R15 indicates a tread width of 195 millimeters; an aspect ratio of 65; R stands for radial tire; and 15 refers to the tire's inner diameter of 15 inches. Tires are circular elastic rubber products mounted on various vehicles or machinery for rolling contact with the ground.
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