The 2016 RAM 3500 is available as a 2-door, 3-seat regular side. Starting at $32,285, the 2016 RAM 3500 Tradesman 4x2 Regular Cab is powered by a 5.7L , 8 -cylinder engine that returns an EPA estimated The top of the line 2016RAM3500Laramie Longhorn 4x4 Mega Cab , priced at $ 58,275 , is powered by a 5.7L , 8 - cylinder engine that returns an EPA estimated