From Allpar
The second generation 5.7 Hemi produces up to 390 horsepower and 407 lb-ft of torque in the 2009 Dodge Ram 1500, using variable cam timing; it shuts off four cylinders when possible to get good mileage. The same engine produces 375 horsepower in the 2009 Dodge Challenger R/T, and a minimum of 356 hp (possibly 365?) in the Aspen/Durango. (Car and Driver writes: 300C, 359 hp; Charger, 368 hp; Challenger, 372/376 hp.
The second generation 5.7 Hemi produces up to 390 horsepower and 407 lb-ft of torque in the 2009 Dodge Ram 1500, using variable cam timing; it shuts off four cylinders when possible to get good mileage. The same engine produces 375 horsepower in the 2009 Dodge Challenger R/T, and a minimum of 356 hp (possibly 365?) in the Aspen/Durango. (Car and Driver writes: 300C, 359 hp; Charger, 368 hp; Challenger, 372/376 hp.
