Porsche 911
Water-cooled engines (1998–present)
L twin-turbocharged flat-6 engine that produces a maximum power of 700 PS (515 kW; 690 hp) at 7,000 rpm and 750 N⋅m (550 lb⋅ft) of torque, making it the most powerful 911 ever built.[citation needed] Unlike the previous GT2 versions, this car is fitted with a 7-speed PDK transmission to handle the excessive torque produced from the engine. Porsche claims that this car will accelerate from 0 to 60 mph (97 km/h) in 2.7 seconds, and has a top speed of 340 km/h (210 mph). The car has a roof made of magnesium, front lid, front and rear spoilers and boot lid made of carbon, front and rear apron made of lightweight polyurethane, rear and side windows made of polycarbonate and features a titanium exhaust system. Porsche claims that the car will have a wet weight of 1,470 kg (3,241 lb). A Weissach package option is available, which reduces the weight by 30 kg (66 lb), through the use of additional carbon-fiber and titanium parts. These include the roof, the anti-roll bars and the coupling rods on both axles made out of carbon-fiber while the package also includes a set of light-weight magnesium wheels.
Porsche 911-129