Sierra HD Crew CAB 3500 4WD Long BOXENGINE 6.6L V8 WITH DIRECT INJECTION AND VARIABLE VALVE TIMING GASOLINE (401 hp [299 kW] @ 5200 rpm 464 lb-ft of torque [629 N-m] @ 4000 rpm) (STD), ABS, Locking/Limited Slip Differential, Tires - Front All-Terrain, Tow Hitch, Tires - Rear All-Terrain, Running Boards/Side Steps, Aluminum Wheels, Conventional Spare Tire, Four Wheel Drive, Power Steering, Tow Hooks, 4-Wheel Disc Brakes, Power Windows, Steering Wheel Audio Controls, Back-Up Camera, WiFi Hotspot, Power Door Locks, Smart Device Integration, Daytime Running Lights, Passenger Air Bag Sensor, Stability Control, Floor Mats, Leather Steering Wheel, Auxiliary Audio Input, Heated Mirrors, Rear Bench Seat, Bluetooth Connection, Integrated Turn Signal Mirrors, Passenger Air Bag, Daytime Running Lights, Pass-Through Rear Seat, Keyless Entry, Split Bench Seat, Power Outlet, A/C, Rear Head Air Bag, Privacy Glass, Cruise Control, Front Side Air Bag, Bluetooth Connection, Auxiliary Audio Input, Power Mirror(s), Traction Control, Floor Mats, Driver Air Bag, Power Door Locks, Cloth Seats, Front Head Air Bag, AM/FM Stereo, Power Windows, Adjustable Steering Wheel, Telematics, Driver Restriction Features, Tire Pressure Monitor, Requires Subscription, MP3 Capability, MP3 Capability