Jeep 2014 Compass Owner's Manual page 384

382 STARTING AND OPERATING
Tire Sizing Chart
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)
R = Construction code
– R means radial construction
– D means diagonal or bias construction
15 = Rim diameter in inches (in)
EXAMPLE: