Tire Misc. Ratings
Traction Ratings
AA Best
A Good
B Medium
C Worst
Sample Tire Ratings
P205/55R16 94V
P = Passenger
205 = Overall width in in mm
55 = Aspec ratio or percentage of Sidewall to Width of Tire
R = Radio ply construction
16 = Rim size in inches
94 = Service Code which shows the load rating is 1477 pounds
V = Speed rating which is 149 miles per hour
Tire info http://www.sizes.com/home/automobile_tires.htm