The 2019 RAM ProMaster 3500 is available as a 3-door, 2-seat cargo van. Starting at $37,645, the 2019 RAM ProMaster 3500 Long Wheelbase Cargo is powered by a 3.6L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated The top of the line 2019RAMProMaster 3500Cargo High Roof , priced at $ 35,795 , is powered by a 3.6L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated