2026 GMC Sierra 3500HD AT4 Crew Cab 4WD

ALL VEHICLES SUBJECT TO A $225 DEALER DOC FEE. NEW VEHICLES PRE-LOADED WITH OUR VIP PACKAGE FOR $2995. THIS INCLUDES 1 YEAR OIL CHANGES AND TIRE ROTATIONS. ONE YEAR INTERIOR AND EXTERIOR PROTECTION. WINDOW TINT, ALL-WEATHER FLOOR MATS, AND WHEEL LOCKS. 1 YEAR THEFT PROTECTION. LIFETIME POWERTRAIN WARRANTY* SOME EXCLUSIONS APPLY TO THE LIFETIME WARRANTY The 2026 GMC Sierra 3500HD AT4 is a powerful and capable truck that's ready to take on any challenge. Equipped with a Duramax 6.6L V8 Turbodiesel engine, this truck delivers an impressive 470 horsepower and an astounding 975 lb-ft of torque, making it the perfect choice for towing, hauling, and off-road adventures. - 6.6L V8 Diesel Turbocharged (Duramax) (B20-Diesel Compatible) (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.) - 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 The Sierra 3500HD AT4 is built for adventure, with a rugged off-road suspension and a 2-speed active transfer case that provides the traction and capability you need to tackle any terrain. The available X31 Off-Road Package adds even more off-road features, including hill descent control and skid plates, to help you conquer the toughest trails. Inside, the Sierra 3500HD AT4 is packed with premium features that elevate the driving experience. The heated and ventilated front seats, heated rear seats, and heated steering wheel ensure you and your passengers stay comfortable in any weather. The 13.4-inch diagonal head-up display and 15-inch diagonal information display provide vital information at a glance, while the wireless charging and wireless phone projection make it easy to stay connected on the go. Safety is also a top priority in the Sierra 3500HD AT4, with features like forward collision alert, automatic emergency braking, and lane departure warning to help keep you and your loved ones protected. The available HD Surround Vision camera system provides a comprehensive view of your surroundings, making it easier to navigate tight spaces and maneuver with confidence. Whether you're tackling tough jobs or embarking on epic adventures, the 2026 GMC Sierra 3500HD AT4 is the ultimate heavy-duty truck. Experience the power, capability, and premium features that make this truck a true standout in its class. Visit our showroom today to take a closer look and schedule a test drive. 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,Heavy Duty Front Spring/Camper Package,Hitch 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,Dual 220-Amps Primary and 170-Amps Auxiliary Alternators,Heavy-Duty 80 Amp-Hour Battery,Auto-dimming door mirrors,Black GMC Emblems,Black Sierra Nameplates,Bumpers: body-color,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,2 Charge-Only Rear USB Ports,2 Charge/Data USB Ports Inside Center Console,2 USB Ports,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,20" Machined Aluminum Wheels,Alloy wheels,Wheels: 20" High Gloss Black 8 Spoke Aluminum,Wheels: 20" Transit Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Sliding Rear Window with Defogger,Rain sensing wipers,Variably intermittent wipers