How To Read Your Tire Size

P designates this tire as a passenger car tire an lt before the tire size would mean the tire is a light truck tire and a european metric tire would have no letter before the tire size.

How to read your tire size. If the number begins with a p the tire is called p metric and is built in the us. Apart from reading the tire size another important aspect is to read the load and speed indexes that your new tires need to tolerate. The first letter on a tire indicates the tire s class. If a tire size has no letters at the beginning this indicates a euro metric tire. The letter p at the beginning of the tire size tells us the tire is a p metric tire referring to tires made to certain standards within the united states intended for passenger vehicles.

Conversely if you want your car to be lower you can use tires with a width of 180 and below. Width in millimeters the first of the tire size numbers gives you the width of the tire from sidewall to sidewall in millimeters. Reading the load speed index.