The 2017 Ram 1500 has 10 trim levels: Tradesman, Express, HFE, SLT, Big Horn/Lone Star, Sport, Rebel, Laramie, Laramie Longhorn and Limited. The workhorse Tradesman comes standard with 17-inch steel wheels, black bumpers/grille/door handles, a seven-pin wiring harness, a Class IV receiver hitch, automatic headlights, a locking tailgate, a spray-in bedliner, a rear backlight, vinyl floor covering, air-conditioning. The HFE trim level comes only in the regular- or quad-cab body style with the 6-foot-4 cargo bed, rear-wheel drive and the diesel V6 engine. It includes black bumpers and grille, heated mirrors, automatic engine stop-start (not available on any other trim level), 17-inch wheels and a tonneau cover. The SLT adds chrome exterior trim, power accessories, remote keyless entry, an overhead console, dual gloveboxes, a 5-inch touchscreen interface, satellite radio and Bluetooth phone and audio connectivity. Extended and crew cabs add a power-sliding rear window.