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for safety standard certification and in case of
a recall.
Tire specifications
Knowledge of tire specifications makes it eas-
ier to choose the correct tires. Radial tires
have the tire specifications marked on the
sidewall, for example :
P255 / 35 R19 96V XL
This contains the follow ing information:
P
Indicates the tire is for passenger cars
(where applicable)
255 Nominal tire width in mm of the tire
from sidewa ll edge to sidewall edge. In
general, the larger the number, the wider
the tire
35 Height/width ratio in percent (aspect ra-
tio)
R
Tire construction: Radial
19 Rim diameter code (in inches)
96 Load rating code
Y
Speed rating letter code
XL
(or "x l", "EXTRA LOAD", or "RF" Ind icates
that the tire is a"Reinforced" or an "Extra
Load" tire
M+S (or "M/S") Indicates that the tire has
some mud and snow capability
The t ires could also have the information of
direction of rotation ~
page 234.
Tire manufacturing date
The manufacturing date is also indicated on
the tire sidewall (possibly only on the
inner
side of the wheel):
"DOT ... 2212 ... "means, for example, that
the tire was produced in the 22nd week of
2012.
Speed rating (letter code)
The speed rating letter code on the wheels in-
dicates the maximum permissib le road speeds
~ &. in Winter tires on page 250.
ll
For tir es w it h a max im um speed capabil ity over
14 9 mp h (24 0 km/ h), tire man ufact ur ers sometimes
use t he lette rs " ZR."
Tires and wheels
24 7
P
up to 93 mph (150 km/h)
Q
up to 99 mph (158 km/h)
R
up to 106 mph (170 km/h)
S
up to 110 mph (180 km/h)
T
up to 118 mph (190 km/h)
U
up to 124 mph (200 km/h)
H
up to 130 mph (210 km/h)
V
up to 149 mph (240 km/h)
1
l
Z
over 149 mph (240 km/h)
1
l
W up to 168 mph (270 km/h)
1
l
Y
up to 186 mph (298 km/h)
1
l
Your vehicle is normally factory equ ipped w ith
tires, which possess excellent dr iving charac-
teristics and give your Audi optimum driving
comfort . An electron ic speed lim iter
~
page 31
will normally prevent your vehicle
from going faster than the tire speed rating
~ &.-
U.S. DOT Tire Identification Number (TIN)
and tire manufacture date
This is the tire 's "serial number". It begins
with the letters "DOT" and ind icates that t he
tire meets all federa l standards. The next two
numbers or letters indicate the plant where it
was manufactured, and the last four numbers
represent the week and year of manufacture.
For example, the numbers 2212 mean that
the tire was produced in the 22nd week of
2012 . The other numbers are marketing co-
des that may or may not be used by the tire
manufacturer . This information is used to con-
tact consumers if a tire defect requ ires a re-
call.
Audi Original tire
Tires w ith the identification "AO" or "RO" have
been specially matched with your Audi . We
recommend using on ly these ti res because
they meet the highest standards regarding
safety and driving characterist ics w hen used
correct ly. Your authorized Audi dealer will
gladly provide you with more information .
...,
•
•
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