2011 Porsche Cayenne Turbo
Stuttgart. Dr. Ing. h.c. F. Porsche AG, Stuttgart, is launching the Cayenne and Panamera model lines into the new model year with detailed improvements, additions and new options. First up is the Cayenne Diesel, with its second generation engine for even more efficiency. The three litre V6 retains the same bore and displacement but now delivers 245 hp (180 kW), 5 hp (3.7 kW) more than before, while consuming only 7.2 litres of diesel per 100 km (39 mpg imp.). At the same time, CO2 emissions have dropped six grams to 189 g/km. That puts the Cayenne Diesel back in pole position as the most economical Cayenne with the lowest carbon emissions. Naturally, the greater power has a knock-on effect on performance as well. For example, the acceleration time from 0 to 100 km/h (62 mph) has been cut to 7.6 seconds (minus 0.2 seconds) with top speed up two to 220 km/h (137 mph).
 
 
The improvements have been achieved through a package of measures, from the use of new materials to reduce weight, lower frictional resistance to a revamp of the injection system, along with a new turbocharger and enhanced thermal management. In detail, the crankshaft for example has been redesigned; fewer counterweights and hollow bores make it lighter and thus more free-revving than before. Direct injection pressure increased by 200 to a maximum of 2000 bar, with a direct impact on the quality of mixture formation. The variable geometry turbocharger is also a new design with optimised bearings and a new compressor wheel, which translates into improved response and greater efficiency. The package of measures also sliced 20 kilograms off the weight of the V6 engine, cutting the unladen weight of the Cayenne Diesel to 2080 kilograms.

Improvements to the Cayenne S Hybrid as well: It offers even more specific driving experiences thanks to modifications to the hybrid manager. If the conditions are right, it is now possible even from a cold start to drive and manoeuvre at low speed on electric power alone. Previously, driving and manoeuvring on electric power after starting the engine was only possible once the operating temperature had been reached.

The new model year also heralds the availability of new Porsche Exclusive options for the Cayenne models. As with the Panamera Turbo, a power kit is now on offer for the Cayenne Turbo as well, boosting the maximum power by 40 (29 kW) to 540 hp (397 kW). Maximum torque increases to 750 Nm. Performance also improves to 4.6 seconds (minus 0.1 s) for the sprint from 0 to 100 km (62 mph) and to a top speed of 281 km/h (176 mph). Fuel consumption and emissions remain unchanged: Even with the optional power kit, the Cayenne gets by on 11.5 litres per 100 kilometres (24.6 mpg imp.) in the NEDC, or 270 g/km CO2.

The increased power is partly achieved by two new turbochargers with titanium- aluminium turbine wheels and adjustments to the engine electronics, resulting in yet further perceptible improvements in the engine's response. The greater power is not without consequences for the braking system. The cooling of the brakes has been further improved and the optional Porsche Ceramic Composite Brake (PCCB) provides deceleration courtesy of larger front brake discs, now with 420 millimetre diameter. An optional 20 inch collapsible spare wheel is available for vehicles equipped with this system.

In addition to the Bi-Xenon main headlights in black including Porsche Dynamic Light System (PDLS) and quad sports tailpipe look, other Porsche Exclusive options for the Cayenne's exterior for the first time feature tinted LED rear lights.

For the Cayenne's interior, Porsche Exclusive is also offering numerous new options for visual customisation for the coming model year, for example new decorative stitching and leather packages as well as the precious wood, Yachting Mahogany.

The offering is rounded off by the milled aluminium Tiptronic-S gear selector and new stainless steel and carbon door entry guards.

The range of options for the Panamera model line has also been enhanced. The Lane Change Assist system adapted from the Cayenne will be available from autumn 2011. It monitors the area behind and to the side of the vehicle as well as the blind spot and informs the driver via a signal in the exterior mirror if the system has located another vehicle in the adjacent lane. The Lane Change Assist system can be activated by a switch on the driver's door and operates between 30 and 250 km/h (19 and 156 mph).

New Porsche Exclusive options for the Panamera exterior are Bi-Xenon main headlights in black including Porsche Dynamic Light System (PDLS) as well as a redesigned sports tailpipe. An additional novelty is the "wireless Internet access" option. From June 2011 onwards this will allow you to go online in the Panameralready a world leader in zero emission production vehicles with the late 2010 launch of the Nissan LEAF passenger vehicle in the United States, Europe and Japan, Nissan is now looking the racing world as a way to draw attention to the seemingly untapped potential of electric vehicles.

"Combining the talents of NISMO, Nissan's world renowned motorsports group, and engineers behind some of the company's Super GT and FIA GT1 race teams, the Nissan LEAF NISMO RC will serve as a rolling laboratory for the accelerated development of EV and aerodynamic systems, as well as a platform for the development of new green motorsports series," said Carlos Tavares, chairman, Nissan Americas, speaking at the New York International Auto Show.

The new electric race vehicle will likely make a series of special demonstration appearances at various motorsports venues in 2011, with the company exploring pioneer zero emission competition spec series in future years.

A Serious Racing Machine
The Nissan LEAF NISMO RC is designed and constructed as a real racing machine, starting with its full carbon fiber monocoque bodywork. The three-piece bodywork includes removable front and rear sections, fixed windows, LED headlights and taillights and driver-adjustable rear wing. Building on the unique exterior styling of the production Nissan LEAF, the 2-door race version was created by Nissan Global Design Center in Japan. Special 4-coat Pearl White paint with blue NISMO/Zero Emission graphics completes the exterior.

Dimensionally, the race car features a 3.9-inch shorter wheelbase, is 0.8 inches longer and 6.7 inches wider. The most dramatic difference is height, with the NISMO RC sitting more than a foot (13.8 inches) lower than the production Nissan LEAF. Ground clearance is limited to 2.4 inches, compared to 6.3 inches for the road going car. And, at 2,068 pounds, the race car weighs in at about 40 percent less than the production vehicle.

The layout of the NISMO RC is also markedly different from the production sedan, offering a mid-ship location for the battery pack, electric motor and inverter – with drive to the rear wheels versus the production Nissan LEAF's front-wheel drive. The NISMO RC also utilizes a double-wishbone suspension design front and rear and driver-adjustable brake balance. It rides on 18-inch 6-spoke wheels and P225/40R18 Bridgestone racing tires.

Like the production Nissan LEAF, the NISMO RC is powered by a lithium-ion battery composed of 48 compact modules and a high-response 80kW AC synchronous motor that generates 107 horsepower and 207 lb-ft of torque. It can be charged up to 80 percent of its full capacity in 30 minutes using the quick charging port located inside the rear cowl. And unlike other competition vehicles, the NISMO RC has no tailpipe, no emission of CO2 or other greenhouse gases while being driven, and no exhaust sound.

In preliminary testing the NISMO RC produces 0 to 62 mph acceleration in 6.85 seconds and a top speed of 93 miles per hour. It is projected to have a running time of around 20 minutes under racing conditions.

"There's a perception among some people that electric vehicles fall on the dull side of the automotive enthusiasm scale – which is certainly not the case with either the production Nissan LEAF or this electrifying Nissan LEAF NISMO RC," added Tavares. "Nissan LEAF owners are fully embracing this new world of zero emission technology. We believe the same potential exists in the motorsports world as well, with Nissan proud to be first on the starting grid."

 
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