This 2008 Porsche 911 Carrera 4S cabriolet is finished in Guards Red over black leather upholstery, and it is powered by a 3.8-liter flat-six that drives all four wheels through a six-speed manual transaxle. Equipment includes 19″ Carrera S wheels, a black convertible soft top, a rear spoiler, front sport seats, navigation, the Bose High End…