The Charger R/T is powered by a 5.7-liter V8 making 368 hp and 398 lb-ft of torque. A five-speed automatic is standard. Fuel economy rates 16/25/19 mpg with RWD and 16/23/18 with AWD. The Charger SRT8 is the king of the hill, with a 6.1-liter V8 that produces 425 hp and 420 lb-ft of torque. It, too, gets a five-speed auto. In track testing, the SRT8 went from zero to 60 mph in 5.3 seconds. Its fuel economy ratings are 13/19/15 mpg.