Audi A8L W-12 Quattro.pdf

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Popular Mechanics - July 2008
Audi
here’s a lofty price point above
which marketers talk about
acquiring a car rather than
merely buying it, as if one
could assume ownership without the
crass action of actually handing
over money. This demarcation line
between buying and acquiring seems
to be about $100,000, and most
serious luxury-sedan manufacturers
want at least one model north of that
level.
In Audi’s case, that model is the
A8L W-12 Quattro, which is new to
the U.S. market for 2005. The car is
essentially the long-wheelbase A8
fitted with the W-12 engine that’s also
used in the luxury Volkswagen
Phaeton and, with twin turbos, in the
Bentley Continental. As installed in
the A8, this four-bank 6.0-liter engine
has no forced induction and develops
444 horsepower at 6200 rpm and 428
pound-feet of torque from 4000 to
4700 rpm.
That’s 114 more ponies than are
present in the V-8–powered big Audis,
and they make themselves known
when you put your Ferragamos to the
plush carpeting. The A8L W-12 rockets
to 60 mph in 5.1 seconds and through
the quarter-mile in 13.6 seconds at
105 mph. The last A8L 4.2 V-8 we
tested (“$70,000 Luxury Sedans,” C/D,
December 2003) needed another 1.4
seconds, both to hit 60 and cover the
quarter. At higher speeds, the W-12
advantage is even greater, with the
A8L accelerating from 60 to 120 mph
in 12.5 seconds and the V-8 needing
18.9 seconds.
Compared with other sedans that
one must acquire, the big Audi is
about as quick as the BMW 760Li but
is 1.1 seconds slower in the quarter-
mile than the Mercedes-Benz S600
road rocket.
There’s also an enlightening con-
trast between the A8L W-12,
with its aluminum body, and
the Phaeton W-12, which uses
a similar mechanical layout
rendered in steel and coupled
to an engine rated at 30 fewer
horsepower. With 670 more
pounds, the VW is slower by
0.4 second, both to 60 mph
and through the quarter.
Interestingly, the Audi A8L
W-12 doesn’t feel quite as quick as we
anticipated for a car that turns a
quarter-mile time in the mid-13s. In
normal driving, the six-speed auto-
matic shifts into its upper gears very
early, and the transmission is reluc-
tant to kick down unless you really
boot it. So in casual driving, the car
doesn’t surge ahead as effortlessly as
you might expect for such a powerful
machine. The steering-wheel paddle
shifters come in handy if you are par-
ticular about your gear selection.
All A8 models, including this
W-12, have Audi’s adaptive air sus-
pension, with four settings ranging
from most comfortable to most
sporting. These provide meaningful
changes in ride control, but the
sporting ones feel harsh in the Mid-
west at less than exciting speeds.
Although too large to be an autocross
wizard, the Audi feels plenty capable
and secure when you start hustling
through the local cloverleafs.
The visual changes to the big car
are subtle, but they do draw positive
attention. The jumbo grille that
extends well below the bumper, the
polished 19-inch wheels, the big
trapezoidal tailpipes, and the car’s taut
lines combine to produce a swagger
that most onlookers appreciated.
Inside, the occupants will defi-
nitely notice the premium leather
upholstery with contrasting piping
and stitching, as well as the Alcantara
A8L W-12
Quattro
Inquiries should
be addressed to
the acquisitions
department.
headliner and the lovely beige-birch
accents. This spacious interior feels
worthy of the six-figure price.
The luxurious finish is comple-
mented by the usual full dose of
comfort and entertainment features,
including an excellent 12-speaker
Bose sound system and a DVD
entertainment system with an LCD
monitor behind each front-seat
headrest. Our car also had the
optional adaptive cruise control that
senses other vehicles in the path of
the A8 and will not let the car get
closer than a certain preset distance
by appropriately adjusting your rate
of speed. This device works as adver-
tised, but the minimal following dis-
tance is so long that on busy free-
ways a constant stream of cars will
cut in front of you.
Otherwise, the W-12’s controls
work well. Audi’s MMI system is easier
to learn than BMW’s iDrive but
requires you to look farther away
from the windshield to operate it. And
compared with manually tuning a
radio with a conventional knob, both
systems require way too many dis-
tracting steps.
Such new-millennium irritants
aside, the A8L W-12 is a fine flagship
for the Audi line, delivering plenty of
luxury, performance, and comfort in
a stylish wrapper with the benefits of
all-wheel drive. Expect to spend about
$120,000 to acquire one.
BY CSABA CSERE
PHOTOGRAPHY BY AARON KILEY
Vehicle type: front-engine, 4-wheel-drive, 4-
passenger, 4-door sedan
Price as tested: $126,320 (base price:
$119,820)
Engine type: DOHC 48-valve W-12, aluminum
block and heads, port fuel injection
Displacement . . . . . . . . . . . 366 cu in, 5998cc
Power (SAE net). . . . . . 444 bhp @ 6200 rpm
Torque (SAE net) . . . . . 428 lb-ft @ 4000 rpm
Transmission. . . . . . . . 6-speed automatic with
manumatic shifting
Wheelbase. . . . . . . . . . . . . . . . . . . . . . 121.0 in
Length/width/height . . . . . . 204.4/74.6/57.3 in
Curb weight . . . . . . . . . . . . . . . . . . . . . 4766 lb
Zero to 60 mph. . . . . . . . . . . . . . . . . . . 5.1 sec
Zero to 100 mph. . . . . . . . . . . . . . . . . 12.3 sec
Zero to 130 mph . . . . . . . . . . . . . . . . . 21.2 sec
Street start, 5–60 mph . . . . . . . . . . . . . 5.5 sec
Standing 1 / 4 -mile . . . . . . 13.6 sec @ 105 mph
Top speed (governor limited) . . . . . . 133 mph
Braking, 70–0 mph . . . . . . . . . . . . . . . . . 183 ft
Roadholding, 300-ft-dia skidpad . . . . . . 0.79 g
EPA fuel economy, city driving . . . . . . 15 mpg
C/D- observed fuel economy . . . . . . . . 17 mpg
126 www.CARandDRIVER.com
SEPTEMBER 2005
T
SHORT TAKE
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