User Manual - Page 215

For RAM 2019 1500 (ALL-NEW).

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213
NOTE:
P (Passenger) Metric tire sizing is based
on U.S. 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
width. The letter "P" is absent from this tire
size designation. Example: 215/65R15
96H.
LT (Light Truck) Metric tire sizing is
based on U.S. 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
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 U.S.
design standards and it begins with the tire
diameter molded into the sidewall. Example:
31x10.5 R15 LT.
Tire Sizing Chart
EXAMPLE:
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 U.S. design standards, or
"....blank...."
= Passen
ger car tire based on European design standards, or
LT = Light truck tire based on U.S. design standards, or
T or S =
Temporary spare tire or
31 = Overa
ll diameter in inches (in)
215, 235
, 145 = Sectio
n 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)
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