2026 GMC Sierra 3500HD AT4 Crew Cab 4WD

Discover the ultimate in power, capability, and off-road performance with the 2026 GMC Sierra 3500HD AT4. This exceptional heavy-duty pickup is engineered to conquer any terrain, delivering uncompromising strength and exceptional versatility. Boasting a robust Duramax 6.6L V8 Turbodiesel engine, the Sierra 3500HD AT4 delivers an impressive 470 horsepower and an astounding 975 lb-ft of torque, ensuring you have the muscle to tackle the toughest jobs with ease. Paired with a 10-speed automatic transmission and a capable 4WD system, this truck is ready to take on any challenge, whether it's hauling heavy loads or navigating rugged off-road conditions. - 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) - AT4 Preferred Package - AT4 Premium Plus Package - Black Badging Package - Gooseneck/5th Wheel Prep Package - Preferred Equipment Group 4SB - Snow Plow Prep/Camper Package - Technology Package - X31 Off-Road Package Designed with the adventurer in mind, the Sierra 3500HD AT4 is equipped with a host of premium features that elevate your driving experience. Enjoy the convenience of a power sunroof, the comfort of heated and ventilated seats, and the peace of mind of advanced safety technologies like Automatic Emergency Braking and Rear Cross Traffic Alert. Whether you're tackling tough job sites, navigating rugged terrain, or embarking on epic adventures, the 2026 GMC Sierra 3500HD AT4 is the ultimate companion. Its exceptional capabilities, premium amenities, and unwavering performance make it the perfect choice for those who demand the very best. Experience the power and capability of the 2026 GMC Sierra 3500HD AT4 for yourself. Schedule a test drive today and discover the difference that this exceptional truck can make in your life. Kunes treats the needs of each individual customer with paramount concern. We know that you have high expectations, and as a car dealer we enjoy the challenge of meeting and exceeding those standards every time. Allow us to demonstrate our commitment to excellence! Our experienced sales staff are eager to share their knowledge and enthusiasm with you. We encourage you to browse our online inventory, schedule a test drive and investigate financing options. These prices are subject to change. Prices shown do not include taxes, license, and title fees and a $350 documentary service fee. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/01/2026

Additional Information

AT4 Preferred Package,AT4 Premium Plus Package,Black Badging Package,Gooseneck/5th Wheel Prep Package,Preferred Equipment Group 4SB,Snow Plow Prep/Camper Package,Technology Package,X31 Off-Road Package,7 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium 7-Speaker Sound System,Premium audio system: Premium GMC Infotainment System,Radio: AM/FM Stereo with Premium GMC Infotainment System,SiriusXM with 360L Trial Subscription,Steering Wheel Audio Controls,Air Conditioning,Automatic temperature control,Electric Rear-Window Defogger,Front dual zone A/C,Rear window defroster,120-Volt Bed Mounted Power Outlet,120-Volt Instrument Panel Power Outlet,Driver Memory,Memory seat,Power driver seat,Power Front Windows with Passenger Express Up/Down,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Manual Tilt-Wheel/Telescoping Steering Column,Off-Road Suspension,Speed-sensing steering,Traction control,4-Wheel Disc Brakes,ABS brakes,Dual front impact airbags,Dual front side impact airbags,Emergency communication system: OnStar Services capable,Front anti-roll bar,Front wheel independent suspension,Keyless Open and Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Sunroof,Pickup Bed,Brake assist,Electronic Stability Control,Lane Departure Warning System,Exterior Parking Camera Rear,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Panic alarm,Security system,Unauthorized Entry Theft-Deterrent System,Speed control,2-Speed Active Transfer Case,220 Amp Alternator,Engine Block Heater,Exhaust Brake,Heavy-Duty 80 Amp-Hour Battery,High Idle Switch,Auto-dimming door mirrors,Black Front and Rear Molded Splash Guards,Black GMC Emblems,Black Sierra Nameplates,Bumpers: body-color,Front License Plate Kit,Gloss Black Header and Grille Insert Bars,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,LED Smoked Amber Roof Marker Lamps,Off-Road High Clearance Step,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,Spray-on Pickup Bedliner with GMC Logo,Turn signal indicator mirrors,Winter Grille Cover,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports Inside Center Console,2 USB Ports,All-Weather Floor Liners with AT4 Logo,Auto-Dimming Inside Rearview Mirror with Camera,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera with Two Trailer Camera Provisions,Buckle to Drive,Compass,Driver door bin,Driver vanity mirror,Floor-Mounted Center Console,Following Distance Indicator,Forward Collision Alert,Front Pedestrian Braking,Front reading lights,GMC Premium 13.4" Diagonal Information Display,HD Surround Vision,Heated steering wheel,Illuminated entry,Multicolor 15" Diagonal Head-Up Display,Outside temperature display,Overhead console,Passenger vanity mirror,Premium Front Floor Liners with Removable Carpet Insert,Premium Rear Floor Liners with Removable Carpet Insert,Rear Cross Traffic Alert,Rear reading lights,Rear seat center armrest,Safety Alert Seat,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Camera Provisions,Trailer Side Blind Zone Alert,Trip computer,Ultrasonic Front and Rear Park Assist,Voltmeter,Wireless Charging,Wireless Phone Projection,10-Way Power Driver Seat Adjuster with Lumbar,10-Way Power Passenger Seat Adjuster with Lumbar,Front Bucket Seats,Front Center Armrest,Heated 2nd Row Outboard Seats,Heated Driver and Front Outboard Passenger Seats,Heated front seats,Heated rear seats,Perforated Front Leather Seat Trim,Power passenger seat,Split folding rear seat,Ventilated Driver and Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance with Hitch View,Trailer Tire Pressure Monitor Sensors,Alloy wheels,Wheels: 20" High Gloss Black 8 Spoke Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Sliding Rear Window with Defogger,Rain sensing wipers,Variably intermittent wipers