It just may have one of the most menacing faces sprung from the Big Three in recent years. And with a 425-horsepower Hemi behind it, there’s plenty of muscle to back up the bad attitude. Power for the 2006 Dodge Charger SRT-8 comes from a 6.1-liter V8, with horsepower peaking at 6,200 rpm and 420 lb.-ft. of torque rolling on at 4,800 rpm.