2011 PORSCHE 911 CARRERA sport mode

2425
Strength

| The new 911 Carrera Cabriolet
The future of the sports car
is wide open again.
The new 911 Carrera Cabriolet.
Sometimes, the best option is to free
your mind, to look at things from a fresh
perspective and to explore your own
direction, not least when you’ve set
yourself ambitious goals for the future.
These goals can be achieved by opening
yourself up to new ideas.
This is the direction explored by the
new 911 Carrera Cabriolet. With forward-
looking hood engineering, lightweight
materials and an integrated wind deflector,
it conceives a new kind of freedom and
broadens the appeal of the sports car.
Smooth and firm, light and robust, the
design of the new hood is impressive in
terms of both appearance and
construction. It is made from three
ultra-lightweight magnesium elements
and is covered in fabric. This saves
weight, improves
aesthetics, and also
reduces unwanted noise. What you can
still hear, however, is the unadulterated
sound of your 911.
The new wind deflector is fit ted as
standard and offers practically

draught-free driving and minimal wind
noise. Operation could not be easier.
Integrated directly behind the rear seats,
it folds out electrically in just t wo seconds
and remains operable no mat ter how
fast you drive your 911. The performance figures of the new

911 Carrera Cabriolet reflect the ambi -
tious goals achieved by our engineers.
The new, downsized and rear-mounted
3.4-litre flat-six engine delivers 257 kW
(350 hp) at 7,400 rpm and enables
a top speed of 286 km/ h (177 mph).
Compared with the previous model, fuel
consumption and CO
2 emissions have
been reduced by 15 %.
In summary, this articulate concept forms
the basis for a self-assured personalit y.
Typified by its courage to adapt and
change, it derives pleasure from exploring
new directions. After all, the future is
wide open.
For fuel consumption and CO
2 emissions please refer to page 129.

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Strength

| The new 911 Carrera S Cabriolet
Porsche 356, Porsche 550, Porsche Carrera GT:
openness has always been a Porsche tradition.
The new 911 Carrera S Cabriolet.
Open-top driving is integral to Porsche
history. It began back in 1948 with the
No. 1. The convertible variant of the
first 356 became a legend, as did its
descendent, the Porsche 550 Spyder.
In 1982, the first 911 Carrera model
in cabriolet form was introduced to the
road. Two things that all open-top
Porsche cars have in common are an
urge for sport y acceleration and unlimited
driving pleasure. The time has come to
carry this tradition on into the future.
The new 911 Carrera S Cabriolet does
just that.
That explains what motivates us, and this
describes what drives the car: the new 3.8-litre engine with direct fuel injection
(DFI) and VarioCam Plus, which produces
294 kW (400 hp) at 7,400 rpm. The

new 911 Carrera S Cabriolet completes
the sprint from 0 to 100 km/ h (0 to
62 mph) in just
4.7 seconds and reaches
a top speed of 301 km/ h (187 mph).
These are impressive performance
capabilities, founded on the principle
that, if you want to keep moving, you
shouldn’t carry unnecessary weight. This
is precisely why the new 911 Carrera S
Cabriolet incorporates extensive use
of lightweight materials.
The hood has a crucial role in this respect.
On the new 911, the hood has been fun -
damentally revised. Integrated magnesium
elements make the hood light yet
extremely robust. The hood opens and
closes in only 13 seconds and is operable
up to a speed of 50 km/ h (31 mph).
With the hood closed, the car’s profile is
optimised for
aerodynamic performance,
which explains
the low drag coefficient
of 0.30. Wind noise is practically elimi -
nated.
The new, integrated wind deflector
manipulates headwind to create ideal
conditions. Electrically powered and
installed directly behind the passenger
cell, it provides effective protection
against air turbulence.
Twin tailpipes in stainless steel also
make a clear statement. The 20 -inch
Carrera S wheels afford an unobstructed
glimpse of the brake calipers with a
red painted finish. As you would expect,
the 911 Cabriolet offers a high level of
occupant safet y and features an effective
roll-over protection concept as well as
full-size airbags for the driver and front
p a s s e n g e r.
Without question, the new 911 Carrera S
Cabriolet has remained faithful to the
sporty spirit of its predecessors and is
ensuring that the legacy lives on in the
21s t ce n t u r y.
For fuel consumption and CO
2 emissions please refer to page 129.

3031
Temperament
|
Engines
To give more and take less.
That’s Porsche engineering.

Engines.
You could ask whether the sports car is
still relevant. It would be a good question,
but you might as well ask the same of
dreams.
The answer to both questions lies in
the future or, to be more precise, in the
future of the sports car. In the new 911,
the future has already begun. The highly
ef ficient, state - of-the -art engines make
a considerable contribution to reducing
fuel consumption, but their sound is still
unmistakably Porsche. The new 911 engines are also unmistaka
-
bly sport y thanks to the new SPORT
but ton fit ted as standard. At the push
of a button, the engine becomes tuned
for a sharper response and engine
dynamics that are even more direct.
The 3.4-litre engine of the new
911 Carrera models demonstrates, there -
fore, that performance and efficiency
need not be mutually exclusive. Rather,
the downsized engine capacit y and
increased maximum torque are the intelli -
gent basis by which power output
can be increased in an environmentally
acceptable and sustainable way. Fuel consumption and CO
2 emissions have
been reduced by up to 16 % compared
with the previous model.
In their search for improved efficiency,
our engineers analysed an extensive series
of engine components. Answers were
found, including rapid heating of the
engine and gearbox to normal operating
temperature after an engine start by
the new thermal management system,

improved air induction and the extremely
effective direct fuel injection (DFI).
The same principle applies to the 3.8-litre
engine in the 911 Carrera S models. There has been no change in displacement
since the previous model, but power

output has been increased while fuel
consumption has been reduced by up
to 15 % .
Weight is critical to efficiency. This is
why the engines have a light-alloy
construction, which makes them light -
weight and structurally rigid for improved
fuel economy and a long life.
The engine is the intelligent core of our
identit y. What else could the ‘Dr. Ing.’ in
our company name possibly stand for?
For fuel consumption and CO
2 emissions please refer to page 129.

3435
A widely held belief about motorsport is
that power is the only thing that mat ters.
From experience, we know bet ter. Extra
horsepower alone has never been enough
to win a single race. Much more important
to us are ideas – ideas that inspire more
intelligent vehicle concepts and more ef fi-
cient drive systems. The same applies on
the road. It ’s about get ting the most out
of what you’ve got. select neutral and release the clutch
pedal. In cars with Porsche Doppel
kupplung
(PDK), the engine switches off whenever
you stop and leave your foot on the
brake pedal.
All audio and communication systems
remain switched on and the climate con -
trol continues to maintain your selected
temperature. The only differences you
will notice are the silence at the rear and
the fuel saving. As soon as you operate
the clutch or release the brake, the
engine will restart swiftly and smoothly.
The auto start/stop function may remain
inactive under particular circumstances,
extreme outside temperatures, when the
SPORT but ton is selected or if bat tery
charge is low. It is also possible to deacti -
vate the function manually using a
separate but ton on the centre console.
Thermal management.
The new thermal management system
regulates the temperature in the engine
and gearbox through the intelligent
manipulation of heat flow.
In this way, the engine and gearbox reach
their optimum operating temperature
sooner. As a result, fuel consumption is
reduced through increased combustion
efficiency and lubrication performance.

Electrical system recuperation.
The new 911 models are also equipped
as standard with fuel-saving electrical
system recuperation technology.
The vehicle bat tery is recharged by the
alternator, predominantly under braking.
Under acceleration, on the other hand,
the power draw of the alternator is limit -
ed to increase the engine output availa -
ble for driving. The electrical systems
are supplied by the electrical energy
stored during the recharging process.
Temperament | Engines
Auto start/stop function.
The auto start/stop function is standard
in the new 911 models.
In cars with the manual gearbox, the
engine switches off automatically when,
for example, you stop at traffic lights,
Not as thirsty as you might think.

Efficiency- enhancing measures.
For fuel consumption and CO2 emissions please refer to page 129.

3839
Temperament
|
Engines
Integrated dry-sump lubrication.
Integrated dr y-sump lubrication ensures
a reliable supply of oil even when a
sport y driving st yle is adopted. It also
has additional cooling functions.
The oil tank is located in the engine,
thereby eliminating the need for an
external oil tank, which saves both space
and weight. To reduce power loss and
increase efficiency, an electronically con -
trolled oil pump supplies the lubricating
points inside the engine as and when
required. This results in optimum supply
of oil, low fuel consumption and, there -
fore, lower exhaust emissions.
Air intake system.
The resonance intake system increases
the intake volume by exploiting the fact
that air oscillates as it passes through
the intake manifold. The system can
adjust to engine speed. Benefits of this
include higher torque at low engine
speeds and a flat ter torque curve.
The
911 Carrera S models operate a t wo -
stage
system.
The entire intake system is made from
light weight plastic. In the new 911 Carrera
model range, the resonator volume of the
air filter housing varies with engine speed
to bring added character to the engine
sound, which becomes much more power -
ful at higher rpm.
Exhaust system.
The exhaust system of the new 911
models has been completely redesigned,
acoustics included.
The stainless-steel exhaust system com -
prises t wo distinctive and independent
exhaust tracts. The cataly tic converters
heat up rapidly for effective emissions
reduction.
A selectable t win -tube sports exhaust
system featuring distinctive polished
stainless-steel tailpipes is available as an
option. Activated by a but ton, it produces
an even more intensive sports car sound.
911 Carrera S with sports exhaust system
Engine management system.
The EMS SDI 9.1 engine management
system ensures optimum engine perfor -
mance at all times.
It controls, for example, the position
of the electronic throt tle valve (ETC) –
a prerequisite for compatibility with the Porsche Stabilit y Management (PSM),
which comes as standard. It also regulates
all engine-related functions to achieve
optimum fuel consumption, emissions and
power output whatever the driving st yle.
Another function is the cylinder-specific
knock control. Since the cylinders never all
work under exactly the same conditions, the knock control function monitors each
one separately. The ignition point is shifted
individually, as and when necessary, to
protect the cylinders and pistons at high
engine speeds.
For compliance with EU standards, the
on - board diagnostics detect any faults
and defects that may occur in the exhaust and fuel systems and then notify the

driver immediately. This also prevents
increased pollutant emissions and
unnecessary fuel consumption.
Twin tailpipe of the sports exhaust system Single-tube tailpipe on the 911 Carrera
Twin-tube tailpipe on the 911 Carrera S
For fuel consumption and CO2 emissions please refer to page 129.

462135
7R
4243
Porsche Doppelkupplung (PDK).
Available as an option for the new 911
models is 7-speed PDK, featuring manual
and automatic modes. This double - clutch
transmission has been further refined and
enables extremely fast gear changes with
no interruption in the flow of power, which vastly improves acceleration at the
same time as reducing fuel consumption.
In total, PDK has seven gears at its disposal.
Gears 1 to 6 have a sports ratio and top
speed is reached in 6th gear. 7th gear has
a long ratio and helps to reduce fuel

consumption by keeping engine revs low.
Porsche Doppelkupplung (PDK)
PDK is essentially t wo gearboxes in one
and thus requires t wo clutches. This
double-clutch arrangement provides an
alternating, non-positive connection
bet ween the t wo half gearboxes and the
engine by means of t wo separate input
shafts.The flow of power from the engine is
transmit ted through one half gearbox and
one clutch at a time, while the next gear
is preselected in the second half gearbox.
During a gear change, therefore, one
clutch simply opens and the other closes
at the same time, enabling gear changes
to take place within milliseconds.
T emperament | Transmission
The effect is instant. Driving feels even
sportier and more dynamic, and agility
is increased. Depending on the gearshift
programme (SPORT button activated
or deactivated), the gear change is opti -
mised for comfort or for sport y driving.
With the optional Sport Chrono Package,
PDK is enhanced by the ‘Launch Control’
and ‘motorsport- derived gearshif t strategy’
functions (p. 58).
Coasting.
The ‘coasting’ function available with
Porsche Doppelkupplung (PDK) enables
you to save even more fuel where the
situation allows. The engine is decoupled
from the transmission to prevent
deceleration caused by engine braking.
In this way, optimum use is made of the
vehicle’s momentum, allowing it to coast
for longer distances. For example, you may want to slow down
from 100 to 80 km/ h (62 to 49 mph) in
anticipation of the change of speed limit
ahead. As soon as you release the accel-
erator pedal, PDK deselects the current
gear auto
matically and you begin to coast
in neutral until you have reached your
desired speed. The moment you engage
the accelerator or brake pedal, PDK
PDK remains ready to respond as swiftly
and precisely as you would expect.
In short, driving in coasting mode makes
a real impact on fuel consumption without
any need for compromise on comfort or
sporty performance.
selects the appropriate gear smoothly
and seamlessly within a fraction of a sec
-
ond.
Another way to reduce fuel consumption is
to utilise the coasting function on downhill
gradients that are gentle enough for you
to maintain a constant speed. Efficient on
long journeys, such as on the motorway,
For fuel consumption and CO2 emissions please refer to page 129.

4445
Temperament

| Chassis and body
“That can’t be done.”
If ever a sentence gave motivation to sports car designers, this is it.

Chassis and body.
A solid identit y tends to be described
with words like stability, directness or
substance. This might sound a lit tle
serious but, when it comes to the chassis
and body, we think that this is entirely
the right approach.
The best example is the engineered
design. Indeed, dynamic per formance
and ride comfort fundamentally depend
on factors such as vehicle weight, body
rigidity, wheelbase, axle construction
and steering. With the new 911, we
challenged our engineers to push the
boundaries of what is possible. Chassis control systems make a key

contribution to the 911 driving experience
and thus to the 911 identit y. These
include Porsche Stability Management
(PSM), Porsche Active Suspension
Management (PASM), which comes as
standard in the 911 Carrera S models,
Porsche Torque Vectoring Plus (PTV Plus).
Porsche Dynamic Chassis Control (PDCC)
is additionally available as an option for
the 911 Carrera S.
Yet, there is still scope for improvement
as far as sport y performance is
concerned. The optional Sport Chrono
Package triggers an adrenaline rush
at the push of a but ton. Dynamic engine
mounts, until now exclusively reserved
for 911 GT and Turbo models, may not be
capable of breaking the laws of physics
but they do succeed in exploiting them
to their own advantage – and yours.

4647
Temperament

| Chassis and body
Engineered design.
The new 911 fulfils two structural design
requirements thanks to its completely new
bodyshell: first, excellent driving dynamics
due to the body’s extremely high rigidit y;
second, a vehicle weight saving of up to
60 kg primarily as a result of the intelligent
lightweight construction.
To meet the second requirement,
we employed innovative and precise
techniques for combining various materials
in order to utilise specific material
properties exactly where they are needed.
For the bodyshell, therefore, we used
very thin, but nevertheless extremely
rigid, sheets of steel. Aluminium and magnesium were used extensively in
areas such as the roof, underbody, front
end, doors, rear wings and engine com
-
partment and luggage compartment lids.
Magnesium, which is a particularly light -
weight material, was also selected for
the cockpit and centre console support
beam and, in the Cabriolet models,
the hood shell elements. Such material efficiency is key to reducing the overall
weight and, as a result, fuel consumption
of the vehicle.
For the driver, this intelligent blend

of materials reduces the weight of the
vehicle and offers a high level of comfort
thanks to excellent vibration-damping
characteristics and particularly high com -
posite rigidit y, an increase in dynamic
torsional stiffness of up to 25 % compared
with that of the previous model, and
even
sportier handling despite a further
improvement in the weight to power ratio.
The 100 mm longer wheelbase improves
comfort as well as straight-line accuracy
and driving stabilit y at high speeds and in
fast corners.

Front and rear axles.
The redesigned independent suspension
at the front features a light weight spring-
strut axle with longitudinal and transverse
links and cross members that have been
refined for stiffness. Each front wheel
is precisely located, ensuring excellent directional stability, superior handling
and reduced pitching under braking, and
the wider track optimises turn-in.
The rear axle is equipped with a

motorsport-derived multi-link suspension
and chassis subframe. Refined axle kine -
matics for improved longitudinal damping
reduce acceleration squat and increase comfort. Light weight spring struts further
enhance agility.
The high proportion of aluminium used in
the construction of the axles reduces the
weight of the vehicle and of the unsprung
masses, helping to improve fuel economy,
comfort and agility.
Rear axle of the 911 Carrera S
Front axle of the 911 Carrera S
Aluminium
Deep-drawn steels
Multiphase steels
Super-high-strength micro-alloyed steels
Boron-alloyed steels