2005 Ford mustang Guided only by its legacy, the clean-sheet design approach gave birth to an all-new platform-including a new chassis, new suspension, re-engineered solid rear axle, new powertrain, new transmission, new interior and new styling. the 2005 Mustang GT is the first mainstream production Mustang to break into the 300-hp arena. The 4.6-liter-aluminum V-8 has three-valve heads and cranks out 300 hp and 320 lb.-ft of torque, while the new SOHC V-6 engine generates 210 hp and 240 lb.-ft. of torque.Work in a cubicle? Feeling boxed in? We understand. And we have the ultimate elixir. This magical tonic comes with a one button cure for your cabin fever. It’s the Mustang Convertible. Take as many times daily as required to turn every commute into an open-air joyride.