What we have here are two Pickups from Ram with some differences, such as the starting price and horsepower. First of all, there is a notable difference in the starting price of the 2018 Ram 3500 Crew Cab, which is $5,500 less than the base MSRP of the 2018 Ram 2500 Mega Cab. And finally, the 2018 2500 Mega Cab pulls more horsepower than the 2018 3500 Crew Cab. Among similarities are the body structure, ground shadow size, height, and maximum occupancy.