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The 2008 Porsche 997 GT2 is the most powerful and fastest roadgoing 911 Porsche has ever created. Power for the 997 GT2 comes from a 3.6 litre, twin-turbo, flat-6 cylinder engine which develops 530 bhp @ 6500 rpm, and a tire destroying 505 lb-ft of torque @ 2200 - 4500 rpm. most of the power gains have been achieved with changes to the turbo-charging system and the addition of a high-flow titanium exhaust system. Power is transferred to the rear wheels of through a 6-speed manual giving the car a 0-60 mph time of just 3.6 seconds and a 204 mph top speed.
Porsche has announced the introduction of the new 2007 911 GT3 RSR (type 997) for the American Le Mans Series and other world GT racing venues. The latest version of the most successful racing sports car in history is based on the street production model 911 GT3 RS (model year 2007) and was launched in late 2006. The 911 GT3 RSR has wider rear fenders and rear track to improve performance capabilities over its predecessor. The car has also been developed to fit into the 1,225 kg class. The new car is built in accordance with the ACO LMGT2 Regulations and the FIA Article 257.
The 997 Carrera 4 was the all-wheel-drive version of the standard 997 Carrera and it arrived as a 2006 model year car (along with the 4S models). The 997.1 Carrera 4 had a3.6 L Watercooled Flat 6 (M96/05) engine that was good for 321 bhp @ 6800 rpm and 273 ft lbs @ 4250 rpm. It had a sub 5 second 0 - 60 mph hour time and a top speed of 174 mph. The transmission (six-speed manual or five-speed Tiptronic) feeds a forward propshaft that mates to a viscous coupling unit with a front differential.
Even more powerful, faster and more dynamic than ever before, the updated 997 Porsche 911 GT3 (differentiated from the earlier with a new 997.2 designation) is about to prove its enhanced potential. The Porsche 911 GT3 now reaches an even higher standard in its two main qualities: power and driving dynamics. The naturally-aspirated six-cylinder now increased in size to 3.8 litres is 435 bhp (320 kW), up 20 bhp over the previous model. In particular, the flat-six power unit carefully upgraded for even more muscle and performance offers a significant increase in torque at medium engine speeds. Road performance is spectacular.
In the case of the 911 Carrera 4S Cabriolet that begins with a larger, more potent six-cylinder engine. The Carrera 4S is powered by a 3.8-liter flat six that produces 355 horsepower and 295 lb.-ft. of torque. The roughly ten percent increase in power translates to improved acceleration and higher top track speed. The 911 Carrera 4S Cabriolet with the six-speed manual gearbox races from a stop to 60 mph in only 4.7 seconds, topping out at the track at 185 mph. When carrying the optional Tiptronic S transmission, the zero to 60 mph sprint takes a mere 4.5 seconds.
The 911 Carrera Cabriolet is a true Porsche, from top to bottom. Like the rest of the range, the base Cabriolet got a mild refresh in terms of design that made it more modern and a little more crisp. The engine was upgraded, now with direct direction. The direct-injection 3.6-liter engine also got new air filters, a more free-flowing exhaust system, and reduced engine friction, making it more powerful than before. It has peak power of 339 bhp @ 6500 rpm and torque of 287 ft lbs @ 4400 rpm. The Carrera equipped with PDK covers 0-60 mph in 4.5 seconds and runs to a top speed of 179 mph.
Based on the 530-bhp 911 Turbo S, the special-edition Porsche has carbon-fiber trim inside and out, plus upgraded leather, badging and the exterior colors of the 918, including the use of Acid Green on the brake calipers, illuminated sill plates, interior stitching and instrument cluster needles. Also limited to 918 units, the 911 Turbo S Edition 918 Spyder will be available in Coupe ($160,700) and Cabriolet ($172,100) forms, making this one very expensive dealer option.
For the 997.2 generation, power from the 3.6-liter Carrera engine was increased to 345 hp while the Carrera S saw 385 horsepower from its 3.8-liter flat-six. Power was sent to the rear wheels via a standard manual box but for the first time, the 997.2 saw the introduction of the dual-clutch PDK as an option. The chassis remains largely unchanged, with slightly modified springs and dampers. The sports suspension is replaced with a variable, electronically controlled sports suspension based on the active PASM suspension. The sweet spot in the used car market at the moment.
Based on the already primal 997.2 GT3, the RS gets another 15 hp from the 3.8-liter flat-six for a total of 450, or more than 118 hp per liter. A racing machine tamed for street use, the GT3 RS is hardly just about horsepower. It gets a wider track, it weighs less, and it produces more downforce than the GT3. The only available transmission is a six-speed manual gearbox (with the ratios even shorter than the GT3). A racing machine tamed for street use, the GT3 RS also gets a wider track, it weighs less, and it produces more downforce than the GT3.