What we have here are two Pickups from Ram with some differences, such as the starting price and horsepower. First of all, the 2017 Ram 2500 Crew Cab is priced $7,700 lower compared to the base MSRP of the 2017 Ram 3500 Mega Cab. And finally, the 2017 3500 Mega Cab produces fewer horsepower than the 2017 2500 Crew Cab. Among similarities are the body structure, ground shadow size, height, and maximum occupancy.