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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 Porsche 997 GT3 Cup was a series of race cars created by Porsche to enter the Fédération Internationale de l’Automobile (FIA) Group GT3 racing class. Replacing the 996 GT3 Cup, the 997 Cup's 3.6 litre engine is rated at 294 kW (400 PS; 394 hp) and was mated to a six-speed sequential transmission. In 2009, the GT3 Cup received several 997.2 updates including a new 3.8 litre engine with an output of 331 kW (450 PS; 444 hp).
This is the best 911 Porsche has ever made. The headline power figure and the ability to rev to 8,500 snare your attention, but the most staggering aspect of this engine is actually its tractability. Mid-range lunge is marvelous, even if the peak number of 339 pound-feet doesn't sound huge in the context of short gear ratios, lightweight, and a compact frontal area. In third gear, the way this thing flies between 4,500 and 8,500 rpm is scintillating. Plus, the utter progression of the delivery makes it vastly easier to take advantage of compared to the GT2's ridiculous turbo surge. This is one special car.
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.
The Carrera S convertible was introduced to the market at the same time with the Carrera Cabriolet, a few months after their coupe-versions were unveiled. The convertible version for the Carrera S got reinforcements needed for the cabriolet built while the engineering was going on for the coupe, ensuring that the drop-top version was just as strong and performance-focused. It got the same engine as the Carrera S and made a case for itself as the best 911 of the range at the time.
The 997 911 GT3 RS is an even lighter and more purist version of the 911 than the regular GT3. 20 kilograms lighter than the GT3 and equipped with a close-ratio six speed manual the GT3 RS gets to 60 mph 1/10th of a second faster than the GT3. The 911 GT3 RS is 44mm wider at the rear than the GT3. The wider track helps improve directional stability when cornering. Weight savings can be found throughout the car. The Clubsport version there is a bolted roll cage, a six-point harness for the driver and a built in fire extinguisher. 
The 2009 Porsche 911 Carrera 4 Cabriolet shares the same internal 997 model designation as its Coupe siblings. It also shares the same essential all-wheel-drive architecture, interior appointments, suspensions and drivetrains. It is an open-top sports cars that deliver the same exhilarating acceleration and dynamic response as the coupes, regardless of weather or road conditions. The Carrera 4 Cabriolet boast a unique body over their all-wheel-drive powertrains with a wide-body design.
Just a few months after the introduction of the 2004 911 (997 series), the convertible version was released. The release of the 997 911 Carrera Cabriolet marked the first time since 1977 that Porsche has given the convertible 911s the same engines as their Coupe siblings. The base 997 Carrera Cabriolet gets the 3.6-liter flat six-cylinder engine with 321 bhp and 273 ft lbs of torque. The convertible version for both Carrera and Carrera S was developed at the same time with the coupe.
The Cabriolet version of the new Porsche 911 Carrera 4 GTS is just as potent as its coupe sibling. It combines a 408 hp 3.8-litre flat six engine with intelligent all-wheel drive that delivers a further exhilarating dimension to the dynamics of the iconic rear-engined sports car. The 911 was first offered with four-wheel drive in 1989 and the drivetrain has been a popular option ever since. Now, the 911 Carrera 4 GTS broadens customer choice in 2011, building on the success of the two-wheel drive Carrera GTS that went on sale in December last year. Carrera 4 GTS power unit is the 3.8-litre flat six with power kit.
In 2011, Porsche China released a special limited edition model to celebrate an active decade in the Chinese market. The Porsche 10 Year Anniversary Edition is yet another 911 of only ten copies, each with a stylish plaque with the chassis number. The Porsche has a Gold Bronze Metallic paint, combined with matte black carbon components such as the hood, rear wing, tailgate and side mirrors. Underneath, you will spot a 911 Turbo S. The interior is a combination of black with gold stitching leather, alcantara and carbon.
The 997.2 Turbo was introduced for the 2010 model year and received a new 3.8 litre engine capable of 493 horsepower, a significant evolution as compared to the 473hp in the 997.1 Turbo. The 997.2 Turbo was available in both manual and automatic transmissions, but the automatic evolved from the Tiptronic used in its predecessor, to a sportier dual-clutch PDK. Approximately 3,300 coupes were produced and 1,800 cabrios, far less than its predecessor. An epic all-around GT with more performance than you could ever need.
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.