2026 GMC Sierra 2500HD AT4 Crew Cab 4WD

Come see why driving a Buick isn't just transportation it's an upgrade to everything you expect on the road.This 2026 GMC Sierra 2500HD AT4 delivers uncompromising capability and premium features that elevate your driving experience. Equipped with a powerful Duramax 6.6L V8 Turbodiesel engine and a 10-speed automatic transmission, this Sierra AT4 is engineered to conquer any terrain with ease.- Power-retractable black assist steps with LED lighting- Engine block heater- 220-amp alternator- Gooseneck/5th wheel prep package- AT4 Premium Plus Package with power sunroof, technology package, and high clearance stepStep inside and you'll be surrounded by thoughtful amenities that make every journey more comfortable and connected. Enjoy the premium Bose audio system, wireless charging, and a 15-inch head-up display that puts vital information right in your line of sight.This Sierra AT4 also comes loaded with advanced safety technologies, including forward collision alert, automatic emergency braking, lane departure warning, and surround vision cameras to give you added confidence on the road.Whether you're tackling challenging off-road trails or navigating the daily commute, this 2026 GMC Sierra 2500HD AT4 is built to deliver an exceptional driving experience. With its rugged capability, premium features, and sophisticated style, it's the perfect truck to elevate your adventures.At the end of the day, the right vehicle doesn't just get you where you're going it changes how you feel getting there. That's exactly what Buick delivers. Smooth, stylish, and packed with features you'll appreciate every single drive.Don't just take our word for it come experience it for yourself. Stop by today, take a seat behind the wheel, and see why so many drivers are making the switch to Buick. Your next upgrade is waiting. Price includes all applicable rebates:$1000 - Buick & GMC Consumer Cash Program. Exp. 06/01/2026

Additional Information

WHEELS 20" (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS 8 spokes (STD),REAR CAMERA MIRROR inside rearview auto-dimming with full camera display,ALTERNATOR 220 AMP,TIRES LT275/65R20 ALL-TERRAIN BLACKWALL (STD),TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15" Diagonal Head-Up Display,GVWR 11 350 LBS. (5148 KG),3 YEARS ONSTAR ONE,TRANSMISSION 10-SPEED AUTOMATIC,3 YEARS SIRIUSXM,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,LPO HITCH PACKAGE Gooseneck ball and chain tiedown kit with case (dealer-installed),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,SUMMIT WHITE,SEATS FRONT BUCKET with center console (STD),AT4 PREFERRED EQUIPMENT GROUP includes standard equipment,LICENSE PLATE KIT FRONT INCANDESCENT LIGHTING,LAMPS SMOKED AMBER ROOF MARKER (LED),REAR AXLE 3.42 RATIO,AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) AT4 high clearance step LPO,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,LPO BODY COLOR WHEEL ARCH MOLDINGS (dealer-installed),ASSIST STEPS POWER RETRACTABLE BLACK includes LED lighting,MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY,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

Listed Price does not include the mandatory $150.00 dealer documentation fee, $3999.00 dealer installed accessories, tax, title, license and other applicable fees.