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 $5,840 difference in the base MSRP. The 2018 Chevrolet Silverado 3500HD Regular Cab, a newer vehicle by five model years, has a higher starting price than the 2013 Ram 2500 Regular Cab. And finally, the 2013 2500 Regular Cab pulls more horsepower than the 2018 Silverado 3500HD Regular Cab. Among similarities are the body structure and maximum occupancy.