Jeep Gladiator 2021 Owner's Manual page 429

NOTE:
P (Passenger) — Metric tire sizing is based on

US design standards. P-Metric tires have the
letter "P" molded into the sidewall preceding
the size designation. Example: P215/65R15
95H.
European — Metric tire sizing is based on

European design standards. Tires designed
to this standard have the tire size molded
into the sidewall beginning with the section
Tire Sizing Chart
Example Size Designation: P215/65R15XL 95H, 215/65R15 96H, LT235/85R16C, T145/80D18 103M, 31x10.5 R15 LT
P = Passenger car tire size based on US design standards, or
"....blank...." = Passenger car tire based on European design standards, or
LT = Light truck tire based on US design standards, or
T or S = Temporary spare tire, or
31 = Overall diameter in inches (in)
215, 235, 145 = Section width in millimeters (mm)
65, 85, 80 = Aspect ratio in percent (%)
Ratio of section height to section width of tire, or

10.5 = Section width in inches (in)
width. The letter "P" is absent from this tire
size designation. Example: 215/65R15 96H.
LT (Light Truck) — Metric tire sizing is based

on US design standards. The size designation
for LT-Metric tires is the same as for P-Metric
tires except for the letters "LT" that are
molded into the sidewall preceding the size
designation. Example: LT235/85R16.
Temporary spare tires are designed for

temporary emergency use only. Temporary
EXAMPLE:
SERVICING AND MAINTENANCE
high pressure compact spare tires have the
letter "T" or "S" molded into the sidewall
preceding the size designation. Example:
T145/80D18 103M.
High flotation tire sizing is based on US

design standards and it begins with the tire
diameter molded into the sidewall. Example:
31x10.5 R15 LT.
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