Two Pickups with some similarities, but otherwise different in most aspects such as the model year, starting price, and horsepower. First of all, there is a notable difference in the starting price of the 2013 Ram 2500 Regular Cab, which is $8,415 less than the base MSRP of the 2017 Chevrolet Silverado 3500HD Double Cab, which is four model years newer. And finally, the 2013 2500 Regular Cab pulls more horsepower than the 2017 Silverado 3500HD Double Cab. Among similarities are the body structure and maximum occupancy.