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Porsche: Porsche 911 Turbo Cabriolet


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In its own highly distinctive manner, the new 911 Turbo Cabriolet combines the driving characteristics of a high-performance sports car with all the benefits of open-air motoring pleasure. The top-of-the-range open-air model in the 911 series is the only car in its class to feature a six-cylinder power unit with the most advanced biturbo technology offering the significant advantage of supreme power on minimum weight. The result, clearly, is truly shattering acceleration and stopping power. And at the same time the 911 Turbo Cabriolet guarantees an exceptional standard of agility on the road.

Expressing all this in figures, you are looking at 480 horsepower sufficient for acceleration to 100 km/h in just 3.8 seconds and a top speed of 310 km/h or 192 mph.

911 Turbo Video Clip


Porsche 911 Turbo Cabriolet Clip


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Use of extremely temperature-resistant materials makes this the first turbocharged power unit from Porsche to feature exhaust gas turbochargers with variable turbine geometry (VTG) in combination with gasoline engine technology. The result is truly outstanding torque and engine power, with the 3.6-litre flat-six churning out maximum power of 480 bhp (353 kW) and peak torque of 620 Newton-metres or 457 lb-ft all the way from 1950 to 5000 rpm.

In conjunction with the optional Sports Chrono Package Turbo, this also means an Over­boost function for maximum acceleration and pulling force, peak torque increasing briefly in the process to an even more significant 680 Newton-metres or 501 lb-ft.

In standard trim this supreme power goes to the wheels of the car through a manual six-speed gearbox, while five-speed Tiptronic S automatic transmission is available as an option.


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All-wheel drive and electronically controlled dampers

Electronically controlled PTM Porsche Traction Management all-wheel drive and PASM Porsche Active Suspension Management both contribute to the outstanding driving dynamics and performance of the top-of-the-range open-air model in the 911 series. The PTM suspension management and control system combines the rear-engine characteristics so typical of a Porsche with even greater driving stability, traction, and agile handling at all times.

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To provide this superiority, PTM feeds exactly the right engine power and torque most appro­priate at all times through a variably controllable multiple-plate clutch to the front and rear wheels, making this the first open-air sports car from Porsche with electronically controlled all-wheel drive.


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A further standard feature on the 911 Turbo Cabriolet is PASM Porsche Active Suspension Management, serving to adjust the damping system actively to the needs and requirements of an open car. PASM offers the driver the choice of two basic programs – a Normal and a Sports mode. And to ensure optimum conditions in the top-of-the-range open-air 911, Porsche’s engineers have enhanced the system to an even higher level ensuring a supreme standard of active safety in conjunction with PTM all-wheel drive and PSM Porsche Stability Management.


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High-performance brakes available as an option with ceramic discs

Like all models built by Porsche, the new 911 Turbo Cabriolet has received special attention also to ensure a truly outstanding brake system with supreme brake power. Upfront six-piston fixed-calliper brakes incorporate inner-vented brake discs measuring 350 millimetres or 13.78” in diameter to quickly and efficiently slow down the Cabriolet capable of a top speed of up to 310 km/h or 192 mph. The brake discs at the rear also measure 350 milli­metres or 13.78” in diameter and incorporate four-piston fixed callipers.

 
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Like all models within the 911 range, the new open-air 911 Turbo is available as an option with PCCB Porsche Ceramic Composite Brakes. Now upgraded to an even higher standard and with brake discs measuring 380 millimetres or 14.96” in diameter at the front, this brake system offers an even faster response to the brake pedal, supreme anti-fading qualities, and absolutely no corrosion. A further advantage, finally, is that PCCB brakes are about 50 per cent lighter than brakes incorporating grey-cast-iron brake discs.

Stiff and safe bodyshell

The open-air 911 Turbo ranks right at the top worldwide not only in its drag coefficient of just 0.31, but also in its aerodynamic balance. For this is the first open-air model where Porsche’s engineers have succeeded in achieving the same very low lift coefficients as on the Coupé whenever the roof is closed. Benefitting also from the split wing at the rear mo­ving out automatically by 65 millimetres or 2.56” as of a speed of approximately 120 km/h or 75 mph, the Porsche 911 Turbo, as a result, is the only production convertible in the world to benefit from aerodynamic downforces on the rear axle.


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Supreme performance also demands the utmost in body stiffness of an open-air sports car. Precisely this is why the 911 Turbo Cabriolet, in its structure, is able to withstand all dyna­mic driving loads and maintain more than ample reserves in the process. With its torsional stiff­ness of more than 9,000 Newton-metres/degree, the 911 Turbo Cabrio comes right at the top in the highest and most outstanding group of open 2+2-seaters. And like the Coupé, the 911 Turbo Cabriolet features not only a light-alloy front lid, but also doors made of aluminium.

 
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This consistent pursuit of lightweight technology so characteristic of Porsche also serves the cause of safety, the open-air 911 Turbo offering an exemplary standard of passive safety in an emergency more than sufficient to fulfil all safety requirements in all of Porsche’s sales markets. This naturally also applies to a rollover, where the A-pillars serving as an rollover safety bar and additional rollbars moving up automatically behind the rear seats secure the driver’s and passengers’ survival area.


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Top-quality roof and equipment

The new 911 Turbo Cabriolet comes with a fully automatic folding roof. Made of fabric and light metal, the roof weighs only 42 kilos or 93 lb, thus contributing to the car’s low centre of gravity and, accordingly, to the exceptional standard of all-round performance. At the same time, through its three-layer structure, the soft roof offers very good insulation from exterior noise and a very high standard of protection against both cold and hot weather.

The roof mechanism may be operated at speeds of up to 50 km/h or 31 mph, with the roof taking only about 20 seconds to open or close completely when at a standstill (inclu­ding operation of the windows moving up or down). And as an optional extra, finally, the 911 Turbo Cabriolet is also available with a hardtop.

Finished as standard in leather, the interior of the new 911 Turbo Cabriolet is identical to that of the Coupé, with the exception of some specific features required only on an open model. As an example, PCM Porsche Communication Management including a navigation module is standard also on the Cabriolet. And like its Coupé counterpart, the Cabriolet also features the BOSE Surround Sound System complete with a seven-channel digital amplifier interacting with a total of 12 loudspeakers in the open-air 911.

Unique Turbo design

Like the 911 Turbo Coupé, the Cabriolet also ranks unique both within the 911 model range and versus the competition. Striking cooling air intakes and oval bi-xenon headlights featu­red as standard, for example, give the front end of the car its characteristic look.


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A particularly important styling feature on the 911 Turbo models is the LED direction indi­cators in the side cooling air openings at the front. Further features equally characteristic of the 911 Turbo are the air intakes behind the doors subdivided by a horizontal crossbar and the split wing moving up at speed from the rear end of the 911 Turbo Cabriolet.

Photos: Porsche

June 18, 2007

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