SRT's muscular coupe receives a vastly improved powertrain for the 2011 model year. The chiseled American muscle also welcomes several other performance upgrades for 2011. The new Challenger SRT8 392 routes massive power to the rear wheels, but keeps its promise of well-rounded performance. Aggressive looks inside and out are met with equally impressive power figures and handling capabilities. Combining the latest comforts and amenities with world-class performance, the Challenger SRT8 is at home on or off the track.