How to Identify Tire Size: Read It Correctly

To identify tire size, read the alphanumeric code molded into the tire sidewall, then verify it against the vehicle manufacturer’s tire placard or owner’s manual. In a marking such as P225/65R17 102H, the code specifies service type, width, aspect ratio, construction, wheel diameter, load index, and speed rating. Key Facts at a Glance What Is […]