Porsche’s 2012 911 Carrera and 911 Carrera S make their official world debut at the upcoming Frankfurt Motor Show, but you can see the 911 Carrera S on the road in the video below. At first glance, the 2012 Porsche 911 looks a lot like the 2011 version, until you view them side by side. The new car is longer, wider, and just a bit shorter, which gives it a lower center of gravity and allows for slightly better weight distribution. It’s shed some 100 pounds since last year, and both versions get more powerful engines for 2012.