Vehicle Service Type:

This letter denotes the type of vehicle service for which the tire is intended. Common uses are as follows:

P (passenger car)
LT (light truck)
M (motorcycle)
C (commercial truck
T (temporary)
ST (special trailer)

In the example below, the "P" is used to indicate the tire is intended for Passenger Car use.

Example Tire Size: P 215/60/R 16 94V

To determine the right size tire for your vehicle, the best resource is your vehicle owner's manual or the sidewall of your existing tire. The sidewall will provide the exact sizing information from the tire manufacturer.