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Porsche - Engines

Engines

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-of-the-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 sporty thanks to the SPORT button fitted as standard. At a single push, the engine becomes 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 comparatively low engine capacity combined with a high maximum torque are the intelligent basis by which high power output can be achieved in an environmentally acceptable and sustainable way.

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).

Weight is critical to efficiency. This is why the engines have a light-alloy 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 identity. What else could the ‘Dr. Ing. ’ in our company name possibly stand for?

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 911 Carrera 4 accelerates to 62 mph in 4.9 seconds and has a top speed of 177 mph.

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 911 Carrera 4S also completes the 0 to 62 mph sprint in 4.3 seconds and boasts a top speed of 184 mph.

Engine management system

The EMS SDI 9.1 engine management system ensures optimum engine performance at all times. It controls, for example, the position of the electronic throttle valve (ETC) – a prerequisite for compatibility with the Porsche Stability Management (PSM), which comes as standard. It also regulates all enginerelated functions to achieve optimum fuel consumption, emissions and power output whatever the driving style.

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.

Porsche Engines - Identity 911

Identity 911

Porsche Engines - Engineering 911

Engineering 911

Porsche Engines - Exterior design

Exterior design

Porsche Engines - Interior design

Interior design

Porsche Engines - Character

Character

Porsche Engines - Engines

Engines

Porsche Engines - Efficiency-enhancing measures

Efficiency-enhancing measures

Porsche Engines - Coasting

Coasting

Porsche Engines - 7-speed manual gearbox

7-speed manual gearbox

Porsche Engines - Porsche Doppelkupplung (PDK)

Porsche Doppelkupplung (PDK)

Porsche Engines - Exhaust system

Exhaust system

Porsche Engines - Air intake system

Air intake system

Porsche Engines - Direct fuel injection (DFI)

Direct fuel injection (DFI)

Porsche Engines - VarioCam Plus System

VarioCam Plus System

Porsche Engines - Integrated dry-sump lubrication

Integrated dry-sump lubrication

Porsche Engines - Steering

Steering

Porsche Engines - Sport Chrono Package

Sport Chrono Package

Porsche Engines - Dynamic engine mounts

Dynamic engine mounts

Porsche Engines - Porsche Torque Vectoring Plus (PTV Plus)

Porsche Torque Vectoring Plus (PTV Plus)

Porsche Engines - Porsche Active Suspension Management (PASM)

Porsche Active Suspension Management (PASM)

Porsche Engines - Porsche Dynamic Chassis Control (PDCC)

Porsche Dynamic Chassis Control (PDCC)

Porsche Engines - Wheels + TPM

Wheels + TPM

Porsche Engines - Front and rear axles

Front and rear axles

Porsche Engines - Brakes

Brakes

Porsche Engines - Porsche Ceramic Composite Brake (PCCB)

Porsche Ceramic Composite Brake (PCCB)

Porsche Engines - Lights

Lights

Porsche Engines - Porsche Stability Management (PSM)

Porsche Stability Management (PSM)

Porsche Engines - Airbags

Airbags

Porsche Engines - Engineered design

Engineered design

Porsche Engines - Anti-theft protection

Anti-theft protection

Porsche Engines - Interior

Interior

Porsche Engines - Steering wheels

Steering wheels

Porsche Engines - Instruments

Instruments

Porsche Engines - Seats

Seats

Porsche Engines - Adaptive cruise control with Porsche Active Safe (PAS)

Adaptive cruise control with Porsche Active Safe (PAS)

Porsche Engines - Slide/tilt sunroof

Slide/tilt sunroof

Porsche Engines - Additional Features

Additional Features

Porsche Engines - Transport

Transport

Porsche Engines - Porsche Communication Management (PCM)

Porsche Communication Management (PCM)

Porsche Engines - Burmester® High-End Surround Sound System

Burmester® High-End Surround Sound System

Porsche Engines - BOSE® Surround Sound System

BOSE® Surround Sound System

Porsche Engines - Mobile phone / Bluetooth® connection

Mobile phone / Bluetooth® connection

Porsche Engines - Online services

Online services

Porsche Engines - CDR audio system

CDR audio system

Porsche Engines - Exhaust emission control

Exhaust emission control

Porsche Engines - Fuel economy and recycling

Fuel economy and recycling

Porsche Engines - Fuel

Fuel