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T _i
_ r_ e_
s
_ a_
n _d
_
w
_
h
_ e_
e
_l_
s
__
lJll
•
holding, driving characteristics,
and safety of the vehicle. The table
(::::>
page 240) lists specifications
of the
t
ires approved for the Audi
models covered by your Owner's Literature.
The tire pressure labe
l
located on driver's side 8 -pillar
(::::>
page 240,
fig. 150) lists the specifications
of the or iginal equipment tires
installed on your vehicle at the time it was manufactured.
Federal law requires tire manufac
t
urers to place standardized infor-
mation on the sidewall of all tires::::> page 248, fig
.
153.
This informa
-
tion identifies and describes the fundamenta
l
characteristics,
the
quality grade of the tire and also provides a tire identification
number for safety standard certification
and in case of a recall.
Tire
s
p
ec
ifi
ca
tio
ns
Knowledge of tire specifications
makes it easier to choose the
correct tires. Radial tires have the tire specifications
marked on the
sidewall, for example:
P245
/
45 R 17
95
H
This contains the following
information
:
P
Indicates the tire is for passenger cars
24
5 Nominal tire width in mm of the tire from sidewall edge to side-
wall edge. In general, the larger the number, the w ider the tire
45
Height/width
ratio in percent (aspect rat io)
R
Tire construction:
Radial
17
Rim diameter code (in inches)
95
Load rating code
H
Speed rating letter code
XL
(or "xi", "EXTRA LOAD", or "RF") indicates that the ti re is a"Rein
-
forced" or an "Extra Load" tire
M+
S (or "M/S") Indicates that the tire has some mud and snow capa
-
bility
The tires could also have the information
of direction of rotation
=>
page
236
.
T
ir
e
manuf
ac
turing
date
The
man
ufact uring date
is
also indicated on the tire sidewall
(possibly on ly on the inner side of the wheel):
"DOT ... 2209
...
" means, for example, that the tire was produced in
the 22th week of 2009.
Speed
rating
(letter
code
)
The speed rating letter code on the wheels indicates the maximum
permissible road speeds
=>
&
in "Winter t
i
res" on page 252.
P
up to 93 mph (150 km/h)
Q
up to 99 mph (158 km/h)
R
up
t
o 106mph(170km/h)
S
up
t
o1 10mph(180km/h)
T
upto118mph(190km/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)
4
>
Z
over 149 mph (240 km/ h)
4
>
W
up
t
o 168 mph (270 km/h)
4
>
Y
up to 186 mph (298 km/h)
41
Your vehic le is normally factory equipped with tires, which possess
excellent
dr
iving characteris
t
ics and give your Audi optimum
driving comfort. An electronic speed limiter:::> page 25will normally
prevent your vehicle from going faster than the tire speed rat ing
=>
&
.
U .S
.
DOT Tire Identifi
c
ation
Number
(TIN
)
and tire
m
a
nufa
c
tur
e
d
a
te
This is the tire's "serial number"
.
It begins with the letters "DOT"
and indicates that the tire meets all federa
l
standards
.
The next two
numbers o
r
letters indicate the plant where it was manufactured,
and the last four numbers represent the week and year of manufac
-
~
4
1
For
t
ires with a max imum speed capab ility over 149 mph (240
km/
hi
,
tire
manufacturers som etimes use th
e
letters
"
ZR."
Vehicle care
I
t
•
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