888-377-7193 The 2012 Dodge Charger SRT8 is a high-performance model that features a bigger V8 engine, a two-mode adjustable high-performance suspension, 20-inch wheels, three-mode adjustable stability control, upgraded brakes, a rear spoiler and special styling. It also includes the RT's optional equipment along with a heated steering wheel, special interior accents, heated and cooled cupholders, heated rear seats, a rearview camera and a 19-speaker Harman Kardon audio system.