New 2026 GMC Sierra 2500HD AT4

WHEELS 20 (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS 8 spokes (STD), ALTERNATOR 220 AMP, LPO SPORT STEP BLACK (dealer-installed), TIRES LT275/65R20 ALL-TERRAIN BLACKWALL (STD), GVWR 11 350 LBS. (5148 KG), TRANSMISSION 10-SPEED AUTOMATIC, JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEAT TRIM, ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), 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)., WINTER GRILLE COVER, UNIVERSAL HOME REMOTE, ENGINE BLOCK HEATER, AUDIO SYSTEM 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE includes color touch-screen multi-touch display AM/FM stereo Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones (STD), SUNROOF POWER, SEATS FRONT BUCKET with center console (STD), AT4 PREFERRED EQUIPMENT GROUP includes standard equipment, LAMPS SMOKED AMBER ROOF MARKER (LED), REAR AXLE 3.42 RATIO, TITANIUM RUSH METALLIC, EXHAUST BRAKE, WINDOW POWER REAR SLIDING WITH REAR DEFOGGER, AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote (A48) rear sliding power window and (U01) Roof Marker Lamps, 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, Automatic Highbeams, Fog Lamps, Heated Mirrors, Power Mirror(s), Integrated Turn Signal Mirrors, Power Folding Mirrors, Privacy Glass, Intermittent Wipers, Variable Speed Intermittent Wipers, Rain Sensing Wipers, Integrated Tailgate Step, AM/FM Stereo, Navigation System, MP3 Capability, Bluetooth Connection, Auxiliary Audio Input, Smart Device Integration, Requires Subscription, Satellite Radio, Requires Subscription, Premium Sound System, Bluetooth Connection, Bluetooth Connection, Smart Device Integration, WiFi Hotspot, Bucket Seats, Leather Seats, Rear Bench Seat, Power Driver Seat, Driver Adjustable Lumbar, Power Passenger Seat, Passenger Adjustable Lumbar, 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, Steering Wheel Audio Controls, Adjustable Steering Wheel, Power Windows, Power Windows, Power Windows, Power Door Locks, Keyless Entry, Power Door Locks, Keyless Start, Remote Engine 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 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, Front Collision Warning, Lane Departure Warning, Cross-Traffic Alert, Blind Spot Monitor, Driver Restriction Features, Tire Pressure Monitor, Navigation System, Telematics, Requires Subscription