Dodge 2014 Charger - Owner Manual - Manual (Page 444)

EXAMPLE:
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)
R = Construction code
— ЉRЉ means radial construction
—
ЉDЉ means diagonal or bias construction
15 = Rim diameter in inches (in)
Service Description:
95 = Load Index
— A numerical code associated with the maximum load a tire can carry
442 STARTING AND OPERATING