2026 GMC Sierra 3500HD AT4 Crew Cab 4WD

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GVWR 11 550 LBS. (5239 KG) WITH SINGLE REAR WHEELS (STD),GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).,TIRES LT275/65R20 E 126/123 BF GOODRICH OFF-ROAD T/A KO3,SNOW PLOW PREP/CAMPER PACKAGE includes (KW5) 220-amp alternator includes increased front GAWR on Heavy Duty models (NZZ) skid plates (transfer case and oil pan) pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage recommend ordering (UY2) Trailering wiring provisions (Includes (KW5) 220-amp alternator,COLORADO CONNECTICUT DELAWARE MAINE MARYLAND MASSACHUSETTS MINNESOTA NEVADA NEW JERSEY NEW MEXICO NEW YORK OREGON PENNSYLVANIA RHODE ISLAND VERMONT AND WASHINGTON STATE REQUIREMENTS,AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) Off-Road High Clearance step LPO,TRANSMISSION 10-SPEED AUTOMATIC (STD),REAR AXLE 3.73 RATIO,ENGINE 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),Lane Departure Warning,Front Collision Mitigation,Front Collision Warning,Automatic Highbeams,Tow Hitch,Running Boards/Side Steps,Keyless Start,Locking/Limited Slip Differential,Four Wheel Drive,Tow Hooks,Power Steering,ABS,4-Wheel Disc Brakes,Aluminum Wheels,Tires - Front All-Terrain,Tires - Rear All-Terrain,Conventional Spare Tire,Bed Liner,Daytime Running Lights,LED Headlights,Automatic Highbeams,Fog Lamps,Heated Mirrors,Power Mirror(s),Integrated Turn Signal Mirrors,Power Folding Mirrors,Intermittent Wipers,Variable Speed Intermittent Wipers,Rain Sensing Wipers,Privacy Glass,Integrated Tailgate Step,AM/FM Stereo,Navigation System,MP3 Capability,Bluetooth Connection,Auxiliary Audio Input,Smart Device Integration,Satellite Radio,Requires Subscription,Satellite Radio,Requires Subscription,Premium Sound System,Bluetooth Connection,Bluetooth Connection,Smart Device Integration,WiFi Hotspot,Bucket Seats,Leather Seats,Power Driver Seat,Driver Adjustable Lumbar,Power Passenger Seat,Passenger Adjustable Lumbar,Pass-Through Rear Seat,Rear Bench Seat,Heated Front Seat(s),Heated Front Seat(s),Cooled Front Seat(s),Heated Rear Seat(s),Mirror Memory,Seat Memory,Floor Mats,Floor Mats,Heated Steering Wheel,Adjustable Steering Wheel,Steering Wheel Audio Controls,Tire Pressure Monitor,Power Windows,Power Windows,Power Door Locks,Remote Engine Start,Keyless Entry,Power Door Locks,Keyless Start,Cruise Control,Adaptive Cruise Control,Security System,MP3 Capability,Auxiliary Audio Input,MP3 Capability,Auxiliary Audio Input,Climate Control,Multi-Zone A/C,A/C,Rear Defrost,Auto-Dimming Rearview Mirror,Front Collision Mitigation,Front Collision Warning,Traction Control,Stability Control,Daytime Running Lights,Daytime Running Lights,Driver Air Bag,Passenger Air Bag,Front Side Air Bag,Front Head Air Bag,Rear Head Air Bag,Passenger Air Bag Sensor,Telematics,Requires Subscription,Rear Parking Aid,Back-Up Camera,Aerial View Display System,Back-Up Camera,Cross-Traffic Alert,Blind Spot Monitor,Lane Departure Warning,Front Collision Warning,Front Collision Mitigation,Driver Restriction Features,Tire Pressure Monitor,Telematics,Navigation from Telematics,Requires Subscription