Dodge 2013 Challenger_SRT - Owner Manual - Manual (Page 348)

Tire Sizing Chart
EXAMPLE:
Size Designation:
P = Passenger car tire size based on U.S. design standards
؆ ....blank....؆ = Passenger car tire based on European design standards
LT = Light truck tire based on U.S. design standards
T or S = Temporary spare tire
31 = Overall diameter in inches (in)
215 = Section width in millimeters (mm)
65 = Aspect ratio in percent (%)
— Ratio of section height to section width of tire
10.5 = Section width in inches (in)
346 STARTING AND OPERATING