Porsche marks 911\'s 50th anniversary with all-new 911 GT3 model

Faster, more powerful
Mar 14, 2013

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Porsche is celebrating the 911\'s 50th year by coming out with an all-new model of the sportiest 911: the 911 GT3.

The fifth generation of the 911 GT3 is based on the all-new 911, which is internally designated within the German carmaker as the 991. Making it physically stand out among other 911s is its large, fixed rear wing, which makes a decisive contribution to its aerodynamics by combining low air resistance with more power. According to Porsche, the boxer engine and transmission, as well as the body and chassis, \"are completely new and constitute a further development of the 911 GT3 concept with an impressive performance leap.\"

The powertrain of the 911 GT3 is composed of a 3.8-liter boxer engine that yields 469hp; Porsche\'s PDK dual-clutch transmission; and a high-traction rear-wheel drive. Though its flat-six-cylinder engine is based on the same one found in the 911 Carrera S, they supposedly share only a few common parts. All other components--particularly the crankshaft and the valve gear--were supposedly either specially adapted or designed for the GT3. The PDK dual-clutch transmission was also specially developed, giving it the characteristics of a racing-derived sequential gearbox, \"thereby providing further performance and dynamic advantages to the driver.\"

For the first time, Porsche is using active rear-wheel steering to achieve even higher precision and lateral dynamics. Depending on the speed, it steers in the same or opposite direction of the front wheels, improving stability and agility. Other new modules that improve the car\'s driving dynamics are the electronically controlled, fully variable rear differential lock, and the dynamic engine mounts. The newly developed all-aluminum chassis can still be adjusted by height, toe and camber, while contact with the road is made by the new 20-inch forged alloy wheels with central locking.

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Some of the numbers dropped by Porsche regarding the all-new GT3 are: a 3kg/hp power-to-weight ratio; a 0-to-100kph time of 3.5sec; a top speed of 315kph; and a Nurburgring Nordschleife lap time of under seven minutes and 30 seconds.

\"The new 911 GT3 keeps all the successful properties of a sports car suitable for racing, with even more driving dynamics, more sophisticated practicality, and a highly emotional fun factor,\" the carmaker said in a statement.

 

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