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Sunday, January 30, 2011

2011 Porsche Cayenne Turbo

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It’s been more than seven years since Porsche launched the original Cayenne to the United States. Since then Porsche’s first-generation SUV has enjoyed remarkable success, selling more than 280,000 Cayennes worldwide, including more than 88,000 in the United States.

On the heels of this success comes the next-generation 2011 Cayenne, truly an all-new model that is even more sporting and dynamic, more fuel efficient, and more spacious and lighter than its predecessor.

For example, the next generation Cayenne improves on it predecessor models with:
• An entirely new exterior design that appears sleeker and smaller when in fact it is larger than the previous model, but is still instantly recognizable as a Porsche Cayenne;
• An all-new, spacious interior that raises the luxury bar and puts this SUV’s passenger compartment on par with the award-winning interior found in the Panamera Gran Turismo;
• More rear cargo room and interior space for the rear passengers thanks to a longer wheelbase and rear seats that adjust fore and aft with seat-back incline adjustability;
• Significant weight savings as Porsche engineers shaved roughly 400 lbs overall (145 lbs alone with a lighter yet still robust body structure) when compared with the previous Cayenne models;
• A new active all-wheel drive system that can be paired with Porsche’s new Porsche Torque Vectoring (PTV) Plus option to provide agile on-road driving dynamics, yet it’s still extremely capable when the pavement ends;



Other unique features to the 2011 lineup include a new high-end audio systems from Bose® and Burmester® and new safety systems like the Porsche Dynamic Light System (PDLS), Lane Change Assistant (LCA), and Adaptive Cruise Control.

The North American Cayenne model range includes four models: the 2011 Cayenne, Cayenne S, Cayenne Turbo and the Cayenne S Hybrid. The Cayenne model lineup base MSRPs (excluding $975 for destination) are as follows: Cayenne, $46,700; Cayenne S, $63,700; Cayenne S Hybrid, $67,700; and Cayenne Turbo, $104,800.

Three Cayenne flavors have two main ingredients: performance and efficiency
While the new entry level Cayenne has a 300-horspower 3.6-liter V6 engine, thanks in part to the new eight-speed Tiptronic S automatic transmission it is approximately 20 percent more fuel efficient than the model it replaces.

The high-torque Cayenne S with its 4.8-liter V8 likewise shows a significant decrease in fuel consumption, down by 23 percent. At the same time engine output is now 400 horsepower compared to 385 horsepower in the former Cayenne S. And similarly the range-topping Cayenne Turbo with its 500-horsepower, twin-turbocharged, 4.8-liter V8 is 23 percent more fuel efficient than its predecessor. The Cayenne S and Cayenne Turbo have U.S. fuel economy ratings of 16 city/22 highway and 15 city/22 highway, respectively. The Cayenne with the standard six-speed manual gets 15 city/22 highway and 16 city/23 highway when fitted with the optional eight-speed Tiptronic S automatic transmission. The Cayenne S Hybrid gets an estimated 20city/24 highway under current EPA regulations.



In addition to Porsche’s new eight-speed Tiptronic S transmission with a wide range of gear ratios, other factors also contribute to this reduction in fuel consumption. Specifically this includes the Automatic Start Stop function (first introduced on the Panamera), efficient thermal management of the engine and transmission cooling circuits, on-board electrical network recuperation, variable deceleration fuel cut-off and the Cayenne’s intelligent lightweight construction.

Thanks to the combination of material weight minimization and overall changes in the vehicle concept such as the new, active and extra-light all-wheel drive system, overall weight for the Cayenne S is down by a substantial 396 lbs. The benefits are not only better fuel consumption and lower CO2 emissions, but also improved performance, agility and handling.

High-Tech Advancements Permeate the Entire 2011 Cayenne Lineup Superior power with better efficiency: the V8s in the Cayenne S and Turbo
The fully upgraded family of V8 power units is made up of the even more powerful 4.8 liter naturally aspirated engine now delivering 400 hp and 369 lb-ft maximum torque in the new Cayenne S and a twin turbocharged 500 hp together with 516 lb-ft in the new Cayenne Turbo.

With the two power units designed and upgraded together, the natural-aspiration and the turbocharged engine share a particularly large number of common parts. And once again it almost goes without saying that the new V8 engines featured in the Cayenne S and the Cayenne Turbo come with all the new technologies to reduce fuel consumption, such as thermal management, on-board network recuperation, variable overrun control, and the Auto Start Stop function.

The proven light-alloy block of the V8 power units is further enhanced by the even more comprehensive use of aluminum and magnesium, saving approximately 15 lbs in weight on the valve timing cover, the cover itself, the camshaft adjuster, various bolts, and the crank. As an example, the new generation of the V8 power units comes with a new lightweight camshaft adjuster for adjusting valve timing through VarioCam Plus made completely of aluminum, This alone reduces engine weight by approximately 3.8 lbs, minimizing the rotating masses in the process, improving the speed of adjustment, and giving the engine an even more agile response.

Both power units now feature pressure-controlled measurement of air mass instead of a hot-film air mass meter, with the advantage of lower intake air resistance and an even better air flow.

On the naturally aspirated power unit in the Cayenne S a newly developed, lighter crankshaft and lighter connecting rods reduce the movement of masses and weight within the engine. In all, the crank on the V8 is 5.1 lbs lighter than before.

A further feature on the V8 is the oil flow housing made of magnesium, again reducing engine weight by approximately 4.4 lbs. The intake camshafts, to mention yet another example, have been optimized for a very smooth flow of power and torque. Together with the new intake system boasting a larger throttle butterfly and optimized electronic engine management, the 4.8 liter naturally aspirated V8 now delivers maximum output of 400 hp at 6,500 rpm.

An Improved V6
The new 2011 Cayenne, based on the same all-new underpinnings used for the Cayenne S and Cayenne Turbo, offers a powerful 300-hp V6 engine, fulfilling the needs of consumers who desire the agility, comfort and safety of the this new model in an even more economical package.

Like its predecessor, the new Cayenne features a 3.6-liter naturally aspirated V6 engine, but it has been upgraded to deliver more performance and better efficiency. Again, this is in line with Porsche’s Intelligent Performance philosophy.

In addition to refining the engine, Porsche also equipped the Cayenne with a new eightspeed Tiptronic S automatic transmission that helps the car accelerate from 0 to 60 mph in just 7.4 second. The same car fitted with a six-speed manual gearbox can reach 60 in 7.1 seconds, and both versions have a top test track speed of 142 mph. The Cayenne with the optional Tiptronic S gets 16 city/23 highway. The same car with the standard six-speed manual gearbox gets 15 city/22 highway.

A sophisticated start stop system
All 2011 Cayenne models equipped with the eight-speed Tiptronic S transmission come with an Auto Start Stop function. Auto Start Stop switches off the combustion engine under defined conditions as long as the vehicle is at a standstill, reducing fuel consumption and emissions in the process and thus preventing the engine from idling unnecessarily, for example when stopping at traffic lights.

As soon as the vehicle comes to a stop with the driver pressing the brake pedal, the Auto Start Stop function will switch off the engine, informing the driver accordingly through the green Auto Start Stop symbol in the instrument cluster.

In the process the driver may leave the selector lever in position D or M, and the engine will remain inactive also when shifting to P and N. Once the driver lets go of the brake pedal, the engine will start again and the driver can set off without a delay. For reasons of safety, however, this is not possible if the driver’s door or the engine compartment lid are open or if the driver is not wearing his seat belt. Under certain conditions the engine is intentionally not switched off when coming to a halt, for example when the driver has activated the Sports Mode, when towing a trailer, when on an incline, or when the vehicle is in a parking or maneuvering process. In such cases the driver is informed by a yellow Auto Start Stop symbol in the instrument cluster that the system has not switched off the engine.

New active all-wheel drive with electronically controlled multiple-plate clutch Porsche has developed an active all-wheel-drive system for the new Cayenne driving the rear wheels and transmitting power to the front wheels as needed through an electronically controlled, map-based multiple-plate clutch.

Porsche selected this technology to reduce weight and make the new Cayenne even more agile on the road. But at the same time the Cayenne offers all the off-road or foulweather capabilities a driver needs under normal conditions, and its reduced weight actually enhances its off-road dynamics. For the first time this active all-wheel drive system can be paired with Porsche’s new Porsche Torque Vectoring (PTV) Plus option. PTV Plus uses variable torque distribution on the rear wheels as well as an electronically controlled rear axle differential lock, thus helping to increase both driving dynamics and stability in curves.

A new Porsche Traction Management (PTM) system together with the new eight-speed Tiptronic S transmission eliminates the need for a reduction gearbox, which saves 73 lbs. When developing PTM, Porsche engineers wanted to optimize the driving dynamics while retaining the Cayenne’s outstanding off-road qualities. The result is two different PTM systems designed for specific new-model characteristics. In the Cayenne S Hybrid, PTM comes with permanent all-wheel drive complete with a self-locking center differential. In the Cayenne, Cayenne S and Cayenne Turbo, PTM features active all-wheel drive with an electronically controlled, map-guided multiple-plate clutch.

Superior suspension with various options for enhanced driving characteristics Porsche’s engineers have succeeded in making the Cayenne’s outstanding driving abilities significantly better. The name of the game again is lightweight engineering. For instance, the Cayenne chassis is now 145 lbs lighter thanks in part to the use of aluminum.

All Cayenne models except the Cayenne Turbo come with steel suspension as standard equipment, but for the first time it can be combined with Porsche Active Suspension Management (PASM) as an option. PASM is a highly sophisticated system providing active, infinite damper control on the front and rear axle. It offers the choice of the three settings: Comfort, Normal and Sport.

The Cayenne Turbo comes with a new air suspension system with PASM as standard equipment (available as an option on the other models). A Cayenne, Cayenne S and Cayenne Turbo with air suspension and PASM may be further enhanced with Porsche Dynamic Chassis Control (PDCC), an optional system that actively stabilizes the vehicle through dynamic distribution of roll forces.

Again, PTV Plus is a new option on the Cayenne, Cayenne S, and Cayenne Turbo. PTV Plus varies distribution of drive power on the rear wheels via an electronically controlled rear differential to help enhance both driving dynamics and stability. Depending on the steering angle and steering speed, the position of the gas pedal, the yaw rate and road speed, PTV Plus helps improve the vehicle’s steering behavior and precision by activating the brakes as required on one of the rear wheels. In a curve the inner rear wheel is slowed slightly when the driver turns the steering wheel. This in turn directs more power to the outer rear wheel to help enhance the handling and stability. The system interacts with PTM and PSM to help provide enhanced driving stability on various road surfaces, in wet weather and on snow. And in offroad driving it helps prevent rear wheel spin.

Exterior and interior design: elegance in a new dimension The completely new Cayenne design leaves no doubt that it is part of the Porsche family. Its sporting character is evident from all angles, and its Porsche shape and design highlights are more distinct than ever before. It is 1.9 inches longer than its predecessor, and an added 1.6 inches in wheelbase ensures extra space and greater versatility. But despite larger exterior dimensions, the new Cayenne looks far more compact and dynamic.

The new headlights resemble those on other Porsches, with the high-beam lamps positioned closer to the centerline of the car and the low-beams toward the outer edge. The Porsche family resemblance continues at the rear with quarter panels flowing to the back and accentuating the Cayenne’s broad shoulders. Inside, the luxurious interior features a high center console that like the original Carrera GT and now the Panamera rises up at an incline to meet the dashboard center stack with highquality fittings and a touch-screen infotainment interface to provide a cockpit-like environment up front. The center console grab handles that were present in the original Cayenne are still there, yet with a new design that is carried over to all four doors.

Rear-seat comfort is much improved, as well, thanks to the extended wheelbase. The bench seat now slides fore-and-aft by 6.3 inches, and the backrest can be adjusted to three different angles, or up to 6 degrees.

Porsche’s traditional set of five round instruments in the drivers gauge cluster includes a high-resolution circular 4.8-inch TFT screen to the right of the tachometer. It can be used to change radio stations, vehicle settings, or access the navigation system or view the map.

The Cayenne S Hybrid instrument cluster differs as the instruments provide the driver with all information he or she needs to monitor car’s innovative hybrid system and maximize its efficiencies.

The new Cayenne comes with the latest generation of audio and communication systems found in the new Panamera, with Bose® Surround Sound System and the Burmester® High-End Surround Sound System.

New comfort and safety systems, some even featured as standard For the U.S. market, all Cayenne models include Bluetooth telephone connectivity and the universal audio interface to connect an external audio source such as an iPod or a USB stick with the Porsche Communication Management (PCM) system as standard equipment. Servotronic speed-sensitive power steering and a moonroof are standard on the Cayenne S, Cayenne S Hybrid and Cayenne Turbo.

Porsche also offers a range of systems for the new Cayenne to help the driver, including Porsche Dynamic Light System (PDLS). PDLS is a further development of the existing Bi- Xenon® light system and offers not only dynamic and static cornering lights, but also for the first time in the Cayenne speed-sensitive headlight control with separate modes for roads and interstates. The system is standard on the Cayenne Turbo and an option on the other models.

Another new option is the Lane Change Assistant (LCA). This driver aid monitors the adjacent lanes up to a distance of 230 feet behind the vehicle, including the driver’s blind spots. As soon as another vehicle enters the blind spots or approaches rapidly from behind within a range of 180 feet, an LED warning light illuminates on the inside of the corresponding exterior mirror. If the driver uses the turn signal, the flashing light appears to alert the driver of the approaching vehicle.

Cruise control is standard equipment on all Cayenne models. Customers can also opt for the optional Adaptive Cruise Control system. This driver aid uses a radar sensor to monitor the space between the Cayenne and the vehicle ahead and maintains your preset distance. It does this by restricting the throttle or gently applying the brakes to maintain the preset distance. If the vehicle in front continues to decelerate, Adaptive Cruise Control will reduce cruising speed – even down to a stop. To set off again after coming to a halt, all the driver has to do is briefly press the control lever or the gas pedal.

Adaptive Cruise Control operates at speeds from 20 to 100 mph, and the required braking power, as calculated by the system, is provided by Porsche Stability Management (PSM) actively building up brake pressure. This provides active safety benefits to the driver. If the distance between the Cayenne and the vehicle ahead becomes too small, the system alerts the brake standby function to shorten the stopping distance required. It also pre-fills the brake system for quicker response and gives the driver both a visual and an acoustic warning and an additional brake pulse as an added driver warning in risky or possibly dangerous situations.

Source: Porsche Press Release.

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