What we have here are two Pickups from Ram with some differences, such as the starting price and horsepower. First of all, the 2018 Ram 1500 Regular Cab is priced $6,550 lower compared to the base MSRP of the 2018 Ram 3500 Regular Cab. And finally, the 2018 3500 Regular Cab pulls more horsepower than the 2018 1500 Regular Cab. Among similarities are the body structure, ground shadow size, height, and maximum occupancy.