Discover the unparalleled capability of the 2025 GMC Sierra 3500HD AT4. Engineered for the toughest jobs, this rugged pickup delivers exceptional power and off-road prowess.- - -Equipped with a Duramax 6.6L V8 Turbodiesel engine paired with a 10-speed automatic transmission, the Sierra 3500HD AT4 boasts an impressive 470 horsepower and 975 lb-ft of torque. This powertrain provides the muscle to tackle any challenge, whether hauling heavy loads or conquering unforgiving terrain.Elevating your driving experience, this Sierra 3500HD AT4 features:- Power-retractable assist steps with LED lighting- Technology Package with Rear Camera Mirror and Multicolor Head-Up Display- AT4 Preferred Package with Universal Home Remote, rear sliding power window, and roof marker lamps- BFGoodrich All-Terrain T/A KO3 tires for exceptional off-road traction- 3 years of SiriusXM satellite radioThe Sierra 3500HD AT4 also boasts an impressive array of premium features, including a Bose premium sound system, wireless charging, and a host of advanced safety technologies like Forward Collision Alert, Automatic Emergency Braking, and Rear Cross Traffic Alert.Whether you're tackling tough jobsites or exploring the great outdoors, the 2025 GMC Sierra 3500HD AT4 is the ultimate companion, delivering uncompromising capability and refined comfort.- - -Experience the power and capability of the 2025 GMC Sierra 3500HD AT4 today. We invite you to visit our showroom and take this exceptional truck for a test drive.

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ASSIST STEPS POWER-RETRACTABLE BLACK includes LED lighting,REAR CAMERA MIRROR inside rearview auto-dimming with full camera display,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),TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15 Diagonal Head-Up Display,TRANSMISSION ALLISON 10-SPEED AUTOMATIC,WHEELS 20 (50.8 CM) HIGH GLOSS BLACK ALUMINUM WHEELS 8 SPOKES,3 YEARS SIRIUSXM,HIGH IDLE SWITCH,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.),TIRES LT275/65R20 E 126/123 BF GOODRICH OFF-ROAD T/A KO3,GVWR 12 250 LBS. (5557 KG) WITH SINGLE REAR WHEELS,LPO SPORT PEDAL COVER KIT (dealer-installed),WINTER GRILLE COVER,WINDOW POWER REAR SLIDING with rear defogger,UNIVERSAL HOME REMOTE,ENGINE BLOCK HEATER,AT4 PREFERRED EQUIPMENT GROUP includes standard equipment,LAMPS SMOKED AMBER ROOF MARKER (LED),STERLING METALLIC,REAR AXLE 3.42 RATIO,EXHAUST BRAKE,AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote (A48) rear sliding power window and (U01) Roof Marker Lamps,TRAILERING WIRING PROVISIONS for trailering 5th wheel and gooseneck trailer includes additional 7-way wiring harness located at the rear of the pickup bed attached to the rear frame cross member,ALTERNATOR 220 AMPS,SEATS FRONT BUCKET WITH CENTER CONSOLE (STD),MULTICOLOR 15 DIAGONAL HEAD-UP DISPLAY,JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEATING SURFACES,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,Navigation System,Telematics,Requires Subscription