What we have here are two Pickups from Ram with some differences, 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 1500 Quad Cab, which is $4,490 less than the base MSRP of the 2016 Ram 3500 Regular Cab, which is three model years newer. And finally, the 2016 3500 Regular Cab has a more powerful engine than the 2013 1500 Quad Cab. Among similarities are the body structure, ground shadow size, height, and maximum occupancy.