The Porsche 911 celebrated two milestones in 2013: the 911 model’s 50th anniversary, and the 40th anniversary of the first-generation 911 Turbo. The new 911 Turbo S, which premiered at Auto Guangzhou, had 90 percent of its components redeveloped to give drivers more engine power and additional standard equipment. It also features the automaker’s new rear-axle steering, making it the first of the brand to offer the new Porsche Active Aerodynamics (PAA) system in a production car. Its 3.8-litre Boxer twin-turbo engine has a top speed that borders 198mph. Additionally, it lauches from zero to 100km/h, which is about 62 mph, in 3.1 seconds.