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Engines 911 Carrera 4S Cabriolet

Porsche - 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, stateof- 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 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 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 intelligent basis by which power output can be increased in an environmentally acceptable and sustainable way. Fuel consumption and CO2 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 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, 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 350 hp at 7400 rpm and the maximum torque is 287 lb.-ft. at 5600 rpm.

For the 911 Carrera with 7-speed manual gearbox, this means acceleration from 0 to 60 mph in 4.6 seconds and a top speed of 179 mph. The new 911 Carrera 4 accelerates to 60 mph in 4.7 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 400 hp at 7400 rpm and the maximum torque of 325 lb.-ft. is achieved at 5600 rpm.

With optional Porsche Doppelkupplung (PDK), the 911 Carrera S accelerates from 0 to 60 mph in 4.3 seconds and achieves a top speed of 188 mph. The new Carrera 4S completes the 0 to 60 mph sprint in 4.3 seconds and boasts a top speed of 185 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 - Engines


Porsche Engines - Efficiency-enhancing measures

Efficiency-enhancing measures

Porsche Engines - Coasting


Porsche Engines - 7-speed manual gearbox

7-speed manual gearbox

Porsche Engines - Porsche Doppelkupplung (PDK)

Porsche Doppelkupplung (PDK)

Porsche Engines - Porsche Traction Management (PTM)

Porsche Traction Management (PTM)

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


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 - Lights


Porsche Engines - Brakes


Porsche Engines - Porsche Ceramic Composite Brake (PCCB)

Porsche Ceramic Composite Brake (PCCB)

Porsche Engines - Porsche Stability Management (PSM)

Porsche Stability Management (PSM)

Porsche Engines - Airbags


Porsche Engines - Engineered design

Engineered design

Porsche Engines - Anti-theft protection

Anti-theft protection

Porsche Engines - Cabriolet roll-over protection concept

Cabriolet roll-over protection concept

Porsche Engines - Interior


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 - Steering wheels

Steering wheels

Porsche Engines - Instruments


Porsche Engines - Seats


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

Adaptive cruise control with Porsche Active Safe (PAS)

Porsche Engines - Mobile phone / Bluetooth® connection

Mobile phone / Bluetooth® connection

Porsche Engines - Additional Features

Additional Features

Porsche Engines - Transport


Porsche Engines - Hood


Porsche Engines - Electrically powered wind deflector

Electrically powered wind deflector

Porsche Engines - Porsche Exclusive

Porsche Exclusive

Porsche Engines - Exhaust emission control

Exhaust emission control

Porsche Engines - Fuel economy and recycling

Fuel economy and recycling

Porsche Engines - Fuel