The 2012 Chevrolet Silverado 2500HD is available as a 2-door, 3-seat regular side. Starting at $32,205, the 2012 Chevrolet Silverado 2500HD LT 4x2 Regular Cab is powered by a 6.0L , 8 -cylinder engine mated to an automatic transmission that returns an EPA estimated The top of the line 2012ChevroletSilverado 2500HDWork Truck 4x4 Crew Cab Long Box , priced at $ 36,185 , is powered by a 6.0L , 8 - cylinder engine mated to an automatic transmission that returns an EPA estimated