Sierra 1500 AT4 4WDENGINE 6.2L ECOTEC3 V8 (420 hp [313 kW] @ 5600 rpm 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring all-new Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders depending on demand to optimize power delivery and efficiency, Tow Hitch, Requires Subscription, Bluetooth Connection, Satellite Radio, Bucket Seats, Bluetooth Connection, Smart Device Integration, Aluminum Wheels, Heated Mirrors, Auxiliary Audio Input, Satellite Radio, HD Radio, MP3 Player, Tow Hooks, Bluetooth Connection, Locking/Limited Slip Differential, Requires Subscription, MP3 Player, Auxiliary Audio Input, Passenger Adjustable Lumbar, Heated Front Seat(s), Daytime Running Lights, Power Folding Mirrors, Steering Wheel Audio Controls, Leather Seats, Four Wheel Drive, Driver Adjustable Lumbar, Privacy Glass, 4-Wheel Disc Brakes, Power Steering, Bed Liner, Mirror Memory, Tires - Rear All-Season, ABS, Tires - Front All-Terrain, Cooled Front Seat(s), Back-Up Camera, Power Driver Seat, Auxiliary Audio Input, Heated Front Seat(s), Tires - Front All-Season, Fog Lamps, Power Mirror(s), Power Passenger Seat, WiFi Hotspot, Tires - Rear All-Terrain, AM/FM Stereo, Smart Device Integration, Remote Engine Start, Rear Defrost, Daytime Running Lights, Leather Steering Wheel, Driver Air Bag, Keyless Start, Seat Memory, MP3 Player, Power Outlet, Keyless Entry, Adjustable Steering Wheel, Security System, Driver Restriction Features, Cruise Control, Traction Control, Tire Pressure Monitor, Floor Mats, Power Outlet, Stability Control, Telematics, Front Head Air Bag, Power Windows, Back-Up Camera, Floor Mats, Rear Head Air Bag, Power Windows, Power Windows, Multi-Zone A/C, A/C, Requires Subscription, Power Door Locks, Heated Steering Wheel, Front Side Air Bag, Auto-Dimming Rearview Mirror, Mirror Memory, Auxiliary Audio Input, Passenger Air Bag Sensor, Power Door Locks, Rear Bench Seat, Climate Control, Passenger Air Bag