4.3 L V6 Gasoline Engine, 2005 US EPA Label, Automatic Transmission, Air Conditioner, 6400 lb GVWR, 265/70R17 Tires, 8 ft Bed

GM V8 6.0 L Gasoline Engine, 2009 US EPA Label, Air Conditioner, Automatic Transmission, 4300 lb Front Axle, 6084 lb Rears, 9600 lb GVWR, 245/75R16, Spring Suspension, 137 in Wheelbase, 9 ft x 72 in Wide x 54 in High Body, Curbside Door