LTZ Equipment Group, SUN And Entertainment Package Savings, GVW Rating-7400 LB, Federal Emissions, DESTINATION CHARGE, Rear Axle 3.42 Ratio, Heavy Duty Trailering Package:, Engine: Vortec 5.3 SFI V8 W- Active Fuel Management AND Flex Fuel Capability, Transmission: 6 Speed Automatic, SUN And Entertainment Package:, 20 Wheels, Chrome (replaces Standard Wheels), 6 Mths Onstar Directions And Connections With Automatic Crash Response AND Turn-by- Turn Navigation (A