Letter Rating; Speed Rating; Customer Information and Reporting Safety Defects- Page 580

P215/65R15 95H is an example of a tire size and load index rating. Here is an explanation
of the various components of that tire size and load index rating. Note that the tire size and
load index rating may be different from the example.

P

Indicates a tire that may be installed on cars, SUVs, minivans and light trucks as designated
by the Tire and Rim Association (T&RA).

NOTE

If your tire size does not begin with a letter this may mean it is designated by either ETRTO
(European Tire and Rim Technical Organization) or JATMA (Japan Tire Manufacturing
Association).

215

“215” is the nominal width of the tire in millimeters. This three-digit number gives the
width in millimeters of the tire from sidewall edge to sidewall edge. In general, the larger
the number, the wider the tire.

65

“65” is the aspect ratio. This two-digit number indicates the tire's ratio of height to width.

R

“R” is the tire construction symbol. R indicates “Radial ply construction”.

15

“15” is the wheel rim diameter in inches.

95

“95” is the Load Index. This two-or three-digit number indicates how much weight each tire
can support.

H

“H” is the speed rating. The speed rating denotes the maximum speed for which the use of
the tire is rated.

Letter Rating

Speed Rating

Q

99  mph

R

106  mph

S

112 mph

T

118 mph

U

124  mph

H

130  mph

Customer Information and Reporting Safety Defects

Tire Information (U.S.A.)

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