What Is The Difference Between Mega And Crew Cabs? Mega models are slightly more expensive than Crew ones. Unsurprisingly, the main difference is the cost. For example, the manufacturer's minimum ...

The Mega Cab's base engine, which is standard on the 1500 light-duty model, is a 5.7-liter Hemi V-8 that produces 345 horsepower and 375 foot-pounds of torque at 4,200 rpm.