2013 Porsche 911 Carrera 4S Coupe A few hours ago, Porsche released the first official images for its upcoming 2013 Porsche 911 Carrera 4 and 4S Coupe and Convertibles.  The 2013 Porsche 911 Carrera 4 equipped with the seven-speed dual-clutch automatic, rated at 20 mpg city, 28 highway, and 23 combined. The 2013 Porsche 911 Carrera 4S Coupe […]