2026 GMC Sierra 3500HD AT4 Crew Cab 4WD

Discover the unparalleled power and capability of the 2026 GMC Sierra 3500HD AT4. This rugged and versatile heavy-duty pickup is engineered to conquer any terrain, whether you're tackling demanding job sites or embarking on thrilling off-road adventures. Equipped with a formidable Duramax 6.6L V8 Turbodiesel engine, the Sierra 3500HD AT4 delivers an impressive 470 horsepower and an astounding 975 lb-ft of torque, providing the muscle to handle the toughest tasks with ease. The 10-speed automatic transmission and 4WD system ensure seamless power delivery and exceptional control, no matter the conditions. - UPFITTER SWITCH KIT (5) - Volcanic Red Tintcoat Exterior - ENGINE BLOCK HEATER - LT275/65R20 E BF GOODRICH OFF-ROAD T/A KO3 TIRES - SPORT STEP, BLACK (dealer-installed) - SMOKED AMBER ROOF MARKER LAMPS (LED) The Sierra 3500HD AT4 is engineered to conquer the great outdoors, with features like the Snow Plow Prep/Camper Package, Gooseneck/5th Wheel Prep Package, and the X31 Off-Road Package. These advanced systems and components ensure you have the capability to tackle any job or adventure, from plowing through deep snow to towing heavy trailers with confidence. Inside, the Sierra 3500HD AT4 offers a premium, well-appointed cabin that combines rugged functionality with exceptional comfort. Enjoy the Bose Premium 7-Speaker Sound System, Heated and Ventilated Front Seats, and the expansive 13.4" Diagonal Premium GMC Infotainment System, which provides seamless connectivity and advanced technology at your fingertips. Safety is also a top priority, with features like Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert, helping to keep you and your passengers protected on the road. The Sierra 3500HD AT4 is built to handle the demands of your toughest jobs and most adventurous expeditions, all while delivering a refined and comfortable driving experience. Discover the uncompromising power, capability, and premium features of the 2026 GMC Sierra 3500HD AT4. Visit our showroom today to experience this exceptional heavy-duty pickup for yourself and see how it can transform your driving and work life.

Additional Information

Gooseneck/5th Wheel Prep Package,Preferred Equipment Group 4SB,Snow Plow Prep/Camper 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,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,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,Auto-dimming door mirrors,Black Sport Step,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,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,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,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,Upfitter Switch Kit (5),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,Alloy wheels,Wheels: 20" High Gloss Black 8 Spoke Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Rain sensing wipers,Variably intermittent wipers