• Let's decode the following: P235/55R16. The first letter of a tire size indicates the application--P is for a passenger car. The 235 indicates the width of the tire in millimeters. The aspect ratio or height of the sidewall of the tire is 55. R indicates radial construction, and 16 is the diameter of the wheel in inches.


    Discount Tire: Reading the Sidewall of a Tire

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