Turbocharged engines with 340, 440 and 550 PS
Powertrain and performance
Two high-performance engines are available at market launch. The Cayenne Coupé with V6 turbocharged engine and displacement of three litres delivers 250 kW (340 PS) and maximum torque of 450 Nm. The top-of-the-range Cayenne Turbo Coupé goes to the starting line with a four-litre V8 engine with twin-turbo charging, 404 kW (550 PS) and maximum torque of 770 Nm.
The new adaptive cylinder control allows the eight-cylinder of the Cayenne Turbo Coupé to be used as a four-cylinder. This means that the engine’s load point in the partial load range can be pushed into the low fuel-consumption category. Depending on the driving condition and engine performance required, adaptive cylinder control is available up to approx. 3,000 rpm and 235 Nm. Adaptive cylinder control works by selectively closing the intake and exhaust valves of these cylinders.
The third in the series to be launched later on the market is the Cayenne S Coupé. It is powered by a 2.9-litre V6 engine with twin-turbo charging and 324 kW (440 PS).
Six- and eight-cylinder engines with central turbo layout
The new engines are packed with technological innovations. The exhaust turbochargers are arranged in a central turbo layout inside the cylinder V. This results in an engine with significantly more compact dimensions, allowing it to be installed in a deeper position inside the vehicle – which lowers the centre of gravity and improves lateral dynamics. The shortened exhaust paths between the combustion chambers and the turbochargers produce a more spontaneous engine response and a faster build-up in power. As exhaust gases are kept completely separate, the gas columns generated by the individual cylinders are virtually unaffected by their counterparts – a particular advantage in the V8 engine, and a design that also boosts efficiency.
Innovative production processes and materials are used in the manufacture of the engines. The weight of the crankcase for the eight-cylinder engine, for example, was reduced by using a sand casing core package manufacturing technique. The rigidity of the component was also increased through the use of high-strength, quadruple-bolted main bearing covers. The linings of the high-performance machine boast a virtually wear-free iron coating, which is applied using an atmospheric plasma spraying process.
The six-cylinder engines also feature a range of innovative solutions. In the 2.9-litre engine of the Cayenne S Coupé, the exhaust manifold is integrated into the cylinder head. As well as reducing weight, this design means that the exhaust manifold is surrounded by cooling water, which ensures that the combustion process is highly efficient, even under full load.
Sporty and more responsive: the eight-speed Tiptronic S
The eight-speed Tiptronic S automatic transmission combines significantly faster shifting speeds with even more comfortable and smooth starting characteristics while also reducing traction interruption during gear changes. Thanks to the new shift-by-wire technology, the shift paths in the manual shift gate have been kept very short, which in turn reduces the necessary shifting forces and ensures even more comfortable operation. And, thanks to its position and design, the gear selector offers the ideal contact surface for manual operation of the infotainment system.
The more clearly differentiated driving modes enable the driver to benefit from the new transmission tuning. In “Normal” mode, the automatic transmission shifts to the higher gears quickly and smoothly to save fuel. In “Sport” mode, the Cayenne Coupé’s Tiptronic S feels very sporty, allowing fast gear changes with short acceleration times. All Cayenne Coupé models achieve top speed in sixth gear. The seventh and eighth gears, along with the coasting function, are designed for maximum efficiency and to improve comfort on long-distance journeys. The low engine speed reduces the noise level in the interior. The auto start-stop function switches off the engine as the car coasts to a stop when approaching a traffic light. The auto start-stop function is automatically deactivated in the Sport and Sport Plus driving modes.
The Tiptronic S also has benefits if the Cayenne Coupé is used to tow another vehicle. Very few vehicles are able to pull a trailer load of up to 3.5 tonnes so effortlessly. Thanks to the torque increase of the converter, the transmission can transfer very high torque even at start-up and during manoeuvring. First gear is also shorter. This allows the vehicle to be driven very sensitively, especially at very low engine speeds, which is also a significant advantage offroad.
Sport Chrono Package with PSM Sport as standard
Unlike the Cayenne, the Sport Chrono Package is available as standard on all Cayenne Coupé models. Just like in the 911, the driver selects the driving mode via the mode switch on the steering wheel. In addition to Normal, Sport and Sport Plus driving modes, the driver can also select the “Individual mode”. This mode allows the driver to store an individual set-up and select it simply by rotating the mode switch. Sport Plus mode activates Performance Start for optimum acceleration from a standstill, optimises all chassis systems for performance and also lowers the air suspension to low level.
The Sport Response button in the centre of the mode switch enables the driver to optimise the Cayenne Coupé for ultra-high responsiveness for a period of 20 seconds. This unlocks the maximum performance of the engine and the transmission for overtaking manoeuvres at the push of a button. In this mode, the Cayenne Coupé responds even more rapidly to the driver stepping on the accelerator, immediately converting this signal into optimal acceleration. The instrument cluster shows the driver, via a countdown timer, how long the Sport Response function will remain active. The performance boost can be used as often as required. When the Sport Response function is active, it can be ended manually at any time by pressing the button again.
As in sports cars, the Sport Chrono Package also includes the separate PSM Sport mode. In a safe environment, ambitious drivers can take the Cayenne Coupé closer to its limits, with the Porsche Stability Management (PSM) system tuned for maximum sporty performance. PSM remains active in the background. PSM Sport mode can be enabled regardless of the selected driving mode.
Active Porsche Traction Management (PTM) for all models
In all new Cayenne models, Porsche uses Porsche Traction Management (PTM), with an electronically and map-controlled multi-plate clutch, for its all-wheel drive. With its broad spread of torque distribution, the active hang-on all-wheel drive offers huge advantages in terms of driving dynamics, agility, traction and offroad capabilities. The system deploys variable and adaptive strategies to control the distribution of the propulsion force between the rear axle and the front axle. In addition, PTM monitors the driving conditions at all times. For optimum force distribution and traction in dynamic driving, the propulsion force on the front wheels is dosed on bends to allow the tyres to build up optimum levels of lateral support. During offroad driving, the system uses the fully variable distribution of the propulsion forces between the axles to ensure maximum propulsion at all times. The new Cayenne Coupé offers the same high level of offroad capabilities as the Cayenne. Combined with the optional three-chamber air suspension, the SUV is ideally equipped for forays onto challenging terrain, with its ground clearance of up to 245 millimetres, a ramp angle of 21.3 degrees and a fording depth of 530 millimetres. Systems such as the PDCC rolling-motion compensation and the PTV Plus differential lock on the rear axle offer real benefits when offroading. The offroad modes can be selected via a separate menu in the PCM. With its assistance, even inexperienced offroad drivers can apply all systems to best effect as the situation demands.