The 2018 RAM 1500 is available as a 2-door, 3-seat regular side. Starting at $27,295, the 2018 RAM 1500 Tradesman/Express 4x2 Regular Cab 6.5' Box is powered by a 3.6L , 6 -cylinder engine mated to an automatic transmission that returns an EPA estimated 17-mpg in the city and 25-mpg on the highway. The top of the line 2018RAM1500HFE 4x2 Quad Cab , priced at $ 37,895 , is powered by a 3.0L , 6 - cylinder engine mated to an automatic transmission that returns an EPA estimated 20-mpg in the city and 27-mpg on the highway.