1819
Strength
|
Engineering
Let’s forget the future for a moment.
As we discover it in the present.
Engineering.
What use is the engineering of tomorrow
when it can be found on the road today?
None. So let ’s turn to the here and now.
The engines, as you would expect, are
characterised by six horizontally opposed
cylinders. The 3.4 litre engine in the
911 Carrera models produces 257 kW
(350 hp); in the 911 Carrera S models,
the 3.8 litre engine develops 294 kW
(400 hp). All variants are equipped with
direct fuel injection (DFI) and VarioCam
Plus for increased power and compara
tively low fuel consumption. Power is transmit ted to the wheels by the
7
speed manual gearbox with the highest
gear designed specifically with fuel econ
omy in mind or, optionally, by efficiency
enhanced Porsche Doppel kupplung (PDK),
which offers gear changes with no inter
ruption in the flow of power.
On the 911 Carrera all wheel drive
models, the enhanced Porsche Traction
Management (PTM) distributes the power
to the wheels according to weather and
road conditions. Handling is even more
poised, particularly when the car is being
driven to its limits. As a result, you are
safer not just in the wet and snow, but
also when adopting a sport y driving st yle.
The chassis is also packed with forward
looking technology. Fitted as standard
in the 911 Carrera S and 911 Carrera S
Cabriolet, Porsche Torque Vectoring
(PTV) increases dynamic performance.
Available as an option for the S models,
Porsche Dynamic Chassis Control (PDCC)
improves dynamic performance further
still. Dynamic engine mounts, available
as an option for all models, provide per
ceptibly more precise handling – and
not just when cornering.
The 911 has a light weight composite
construction in aluminium and steel.
Used extensively and in just the right
places, lightweight aluminium improves fuel economy and dynamic performance
and helps to achieve an excellent weight
to power ratio of 4.7 kg / kW (3.5 kg / hp)
for the 911 Carrera S, for example.
The future of the sports car begins now.
For fuel consumption and CO
2 emissions, please refer to pages 143/145.
2021
Strength
| The 911 Carrera
Meetings, conferences, business lunches.
How about some leisure in between?
The 911 Carrera.
In the 21st century, we find ourselves
caught bet ween all kinds of opposites on
a daily basis: bet ween the demands of
our work life and our private life, between
the real world and virtual realit y. How can
they all be reconciled? With a strong iden
tit y and a sports car that has incorporated
many contradictory notions since 1963.
Sportiness and everyday practicality
are a prime example. The 911 Carrera is
equipped as standard with direct fuel
injection (DFI) and VarioCam Plus for high
power, high torque, efficient combustion
and, as a result, comparatively low fuel
consumption. Tradition and innovation blend seamlessly
together in the rear
mounted 3.4 litre
flat six engine thanks to its downsized
capacity. Despite the reduced displace
ment, the engine is capable of delivering
even more power to the road than its
3.6 litre predecessor.
The figures speak for themselves. The
maximum power of 257 kW (350 hp) is
available at 7,400 rpm and the maxi
mum torque of 390 Nm is generated at
5,600 rpm. Yet, in conjunction with
Porsche Doppelkupplung (PDK), fuel con
sumption and CO
2 emissions have been
reduced by 16 % compared with the pre
vious model. Even more impressively, the
car accelerates from 0 to 62 mph in
4.8 seconds and reaches a top speed
of 179 mph.
The 911 Carrera generates powerful
forces, which are transmit ted precisely
and directly to the wheels by the 7 speed
manual gearbox. As with the optional PDK,
gears 1 to 6 have a sports ratio, while
7th gear has a long ratio for reduced fuel
consumption. The SPORT but ton, which
is fit ted as standard, makes it possible to
select an even more responsive engine
and transmission setup.
In terms of form and function, the single
tailpipes are especially imposing and emit a sound which is t ypically Porsche. The
19
inch Carrera wheels are fit ted as
standard and improve driving stability
and performance.
Sports car technology as standard, in
the form of black four piston monobloc
aluminium fixed calipers, Porsche Stability
Management (PSM) and Bi Xenon head
lights, shows that sportiness and safety
are not mutually exclusive.
Sport, moderation, everyday practicality
and st yle. Four key themes, one unifying
concept: the 911 Carrera.
For fuel consumption and CO
2 emissions, please refer to pages 143/145.
2223
Strength
| The 911 Carrera S
Its identity emerged on the racetrack.
Its home is on the road.
The 911 Carrera S.
Nothing defines us more than our heritage.
It says a lot about who we are. This is
particularly true of the 9 11 Carrera S,
which has all the characteristics you would
expect of a sports car whose origin is
in motorsport.
An elementary component of its DNA, there
fore, is power in the form of a 3.8 litre
engine with direct fuel injection (DFI) and
VarioCam Plus. It delivers 294 kW (400 hp)
at 7,400 rpm, and the maximum torque
of 440 Nm is achieved at 5,600 rpm. In
conjunction with the manual gearbox, the
sprint from 0 to 62 mph is completed in
just 4.5 seconds. Top speed isn’t reached
until 188 mph.
On figures alone, the 9 11 Carrera S
excels, particularly in terms of efficiency.
Fuel consumption and CO
2 emissions
have been reduced by 15 % compared
with the previous model. This has been
possible thanks to the auto start /stop
function, which is available as standard,
and the coasting function in conjunction
with the optional Porsche Doppelkupp
lung (PDK).
It ’s not difficult to tell where the
911 Carrera S comes from. You can
hear it in the resonant engine sound
and you can see it in the t win tailpipes
in brushed stainless steel and 20 inch
Carrera S wheels. You can also feel it, thanks to Porsche
Active Suspension Management (PASM),
which is fit ted as standard, or the optional
PASM sports suspension with even
sport
ier aerodynamics and the ride height low
ered by 20 mm. Or the optional Sport
Chrono Package and dynamic engine
mounts. Available as standard, Porsche
Torque Vectoring (PTV), or Porsche
Torque Vectoring Plus (PTV Plus) in con
junction with the optional PDK, increase
traction and driving stability. Porsche
Dynamic Chassis Control (PDCC), the ac
tive roll stabilisation system, is available
as an option and improves agilit y, com
fort and safet y. On the subject of safet y, the brakes at
the front of the 911 Carrera S come
equipped with monobloc fixed calipers
with six, instead of four, pistons for im
proved braking performance and a short
er braking distance. Bi Xenon headlights
are standard and the Porsche Dynamic
Light System (PDLS) is available as an
option.
There is no doubt. The 9 11 Carrera S
knows its roots, and embraces them with
efficiency, power and sporty performance.
For fuel consumption and CO2 emissions, please refer to pages 143/145.
3839
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 911, the future
is already here. The highly efficient, state
ofthe art engines make a considerable
contribution to the comparatively low fuel
consumption, but their sound is still
unmistakably Porsche.
The 911 engines are also unmistakably
sport y thanks to the SPORT but ton fit ted
as st a n d a rd . At the push of a but ton, the engine be
comes tuned for a sharper response
and engine dynamics that are even more
direct.
The 3.4 litre engine of the 911 Carrera
models demonstrates, therefore, that
performance and efficiency need not be
mutually exclusive. Rather, the downsized
engine capacity and increased maximum
torque are the intelli
gent basis by which
power output can be increased in an
environmentally acceptable and sustain
able 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
thermal management system, improved
air induction and 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 displace
ment since the previous model, but
po wer 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 lightalloy
construction, making them lightweight
and yet structurally rigid. The result
is comparatively low fuel consumption
and a long service 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 pages 143/145.
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4041
Temperament
|
Engines
Engine cross section: 3.8 litre boxer engine
911 Carrera S models: 294 kW (400 hp) at 7,400 rpm, 440 Nm at 5,600 rpm
1. High pressure pump
2. High pressure injector
3. Ignition rod module
4. Camshaft controller
5. Valve lif t adjustment switch valve
6. Switch tappet with integrated valve clearance
compensation
7. Intake camshaf t
8. Intake valves
9. Valve spring
10. Combustion chamber with Alusil cylinder liner
surface
11. Forged aluminium piston
12. Forged connecting rod
13. Crankshaft
14. Water pump
15. Air conditioning compressor
16. Power steering pump (in conjunction with PDCC)
17. Vibration damper
18. Alternator pulley with freewheel
19. Hydraulic belt tensioner
20. Resonance valve
21. Resonance distributor
22. Resonance valve actuator
23. Intake manifold with integrated sound chamber
24. Electronically controlled throttle valve
25. Oil filter
26. Electronic map controlled thermostat
27. Vacuum pump
28. Coolant jacket
29. Crankcase breather
30. Timing chain
31. S t a r t e r
911 Carrera models: 257 kW (350 hp) at 7,400 rpm, 390 Nm at 5,600 rpm
The 3.4-litre engine.
The 911 Carrera base models are
equipped with a 3.4 litre boxer engine
with direct fuel injection (DFI) and
VarioCam Plus. It develops 257 kW
(350 hp) at 7,400 rpm and the maximum
torque is 390 Nm at 5,600 rpm. For the 911 Carrera with 7
speed manual
gearbox, this means acceleration from
0 to 62 mph in 4.8 seconds and a top
speed of 179 mph. The new 911 Carrera 4
accelerates to 62 mph in 4.9 seconds
and has a top speed of 177 mph.
For fuel consumption and CO
2 emissions, please refer to pages 143/145.
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100
120 140 160 180 200 220 240 260
1500 75008000
2000 2500300035004000450050005500600065007000
1000
294 kW (400 hp)440 Nm
300
280
Power (kW)
T orque (Nm)
Engine speed (rpm)
200
280 300 320 340 360 380 400 420
220 240 260
460
44040
60 80
100
120 140 160 180 200 220 240 260
1500 75008000
2000 2500300035004000450050005500600065007000
1000
300
280
Power (kW)
T orque (Nm)
Engine speed (rpm)
200
280 300 320 340 360 380 400 420
220 240 260
460
440
257 kW (350 hp)
390 Nm
The 3.8-litre engine.
The 911 Carrera S models are powered
by a 3.8
litre boxer engine with direct
fuel injection (DFI) and VarioCam Plus. It
produces 294 kW (400 hp) at 7,400 rpm
and the maximum torque of 440 Nm is
achieved at 5,600 rpm. With optional Porsche Doppelkupplung
(PDK), the 911 Carrera S accelerates
from 0 to 62 mph in 4.3 seconds and
achieves a top speed of 187 mph.
The new Carrera 4S completes the
0 to 62 mph sprint in 4.3 seconds and
boasts a top speed of 184 mph.
4445
DFI delivers fuel directly into the combustion
chamber with millisecond precision. The
spray and cone angles of the multihole
injectors have been optimised for torque,
power output, fuel consumption, emissions
and ef ficient combustion.
With direct injection, the engine manage
ment system regulates injection timing
individually for each cylinder as well as
the injection rate for each cylinder bank.
This improves the combustion process
and fuel economy. vailing conditions. This results in instant
acceleration, extremely smooth running
and an extraordinary level of tractive
power, but with a comparatively low
level of fuel consumption.
For faster heating of the catalytic converters
after a cold start and optimum torque in
the upper load range, up to three injection
pulses take place per combustion cycle.
DFI improves the internal cooling of the
combustion chamber by having the mix
ture prepared directly in the cylinder. This
allows for a higher compression ratio,
which helps to deliver more output at the
same time as enhanced engine efficiency.
Injection is regulated by the electronic
engine management system and emis
sions are monitored by the Lambda
sensors.
Temperament | Engines
VarioCam Plus System.
VarioCam Plus is a two in one engine
concept for adjusting the intake cam
shafts and switching the lift of the intake
valves.
The system first dif ferentiates bet ween
driver inputs that typify normal, everyday
driving and those inputs that demand
maximum performance. The electronic
engine management system then seam
lessly adapts valve operation to the pre
What lies between your home and Le Mans?
Advanced engineering as standard.
Direct fuel injection (DFI).
For fuel consumption and CO2 emissions, please refer to pages 143/145.
4647
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
controlled oil pump supplies the lubricat
ing points inside the engine as and
when required. When demand is low, the
oil pump is operated at reduced power,
thereby saving fuel.
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
9 11 Carrera S models operate a t wo
stage
system.
The entire intake system is made from
light weight plastic. In the 9 11 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 powerful at higher rpm.
Exhaust system.
The exhaust system of the 911 Carrera
models has been 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.
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
compati bility with the Porsche Stability
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 condi
tions, 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 pages 143/145.
4849
Temperament
|
Transmission
The long and winding road is where you’d like to be.
Sometimes, it pays to take the direct route.
Transmission.
The 7-speed manual gearbox.
Pure, direct, precise. Short shif t move
ments and an optimum transition from
one gear to the next. That ’s exactly what
you would expect of a Porsche manual
gearbox.
What you might not have expected is a
7 speed manual gearbox that combines
a high level of sport y performance with
an equally high level of efficiency and
offers extra comfort for longer journeys. It’s an exceptional innovation, and not
only in the sports car segment.
The design of this manual gearbox is
based in principle on that of Porsche
Doppelkupplung (PDK). Gears 1 to 6 have
a sports ratio and top speed is reached
in 6th gear. The additional 7th gear, how
ever, has a long ratio, which reduces
torque and helps to reduce fuel consump
tion. Lower engine revs at fast driving
speeds also ensure a high level of com
fort
on long stretches of road. In addition
, a gear indicator in the rev counter reminds
you which gear has been selected. The
upshift indicator in the instrument cluster
helps you actively conserve fuel.
Thanks to the elevated centre console,
the gear lever is within easy reach –
ideal for sport y gear changes.
Whether you select a sporty or comfortable
gear, the way you reach your destination
is in your own hands.
For fuel consumption and CO
2 emissions, please refer to pages 143/145.