2026 GMC Sierra 2500HD AT4 Crew Cab 4WD

Discover the ultimate heavy-duty truck experience with the 2026 GMC Sierra 2500HD AT4. This exceptional vehicle is designed to conquer any terrain, offering unparalleled power, capability, and refined comfort. Featuring a - - Engine Block Heater - 220 Amp Alternator - Duramax 6.6L V8 Turbodiesel Engine (470 hp, 975 lb-ft of torque) - AT4 Preferred Package with Universal Home Remote, Rear Sliding Power Window, and Roof Marker Lamps - LT275/65R20 E 126/123 BF Goodrich Off-Road T/A KO3 Tires - Gooseneck/5th Wheel Prep Package with Hitch Platform and Bed-Mounted 7-Pin Trailer Harness This Sierra 2500HD AT4 is meticulously engineered to tackle the toughest jobs and adventures. With its powerful Duramax diesel engine, you'll experience exceptional towing and hauling capabilities, making it the ideal choice for those who demand uncompromising performance. The AT4 trim level takes the Sierra's off-road prowess to the next level, with an advanced 4-wheel-drive system, off-road suspension, and a host of rugged features. Whether you're navigating challenging terrain or towing a heavy load, this truck is built to deliver a confident and capable driving experience. Beyond its impressive performance, the Sierra 2500HD AT4 also offers a refined and comfortable interior. Enjoy premium amenities such as the Bose Premium 7-Speaker Sound System, Heated and Ventilated Front Seats, and Heated Rear Outboard Seats. The intuitive and user-friendly GMC Infotainment System with Apple CarPlay and Android Auto integration keeps you connected and entertained on the go. Safety is also a top priority, with features like Automatic Emergency Braking, Forward Collision Alert, and Rear Cross Traffic Alert, ensuring you and your passengers are well-protected. The Sierra 2500HD AT4 also boasts a suite of advanced trailering technologies, including the in-Vehicle Trailering System App and Hitch Guidance with Hitch View, making towing a breeze. Whether you're tackling demanding job sites, exploring rugged terrain, or simply seeking a capable and comfortable daily driver, the 2026 GMC Sierra 2500HD AT4 is the ultimate choice. Experience the power, capability, and refined luxury that this exceptional truck has to offer. Visit our showroom today and let us demonstrate why the Sierra 2500HD AT4 is the perfect fit for your needs.

Additional Information

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 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,Front anti-roll bar,Front wheel independent suspension,Keyless Open and Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Pickup Box,Brake assist,Electronic Stability Control,Lane Departure Warning System,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,Heavy-Duty 80 Amp Battery,Auto-dimming door mirrors,Bumpers: body-color,Gloss Black Header Grille and Grille Insert Bars,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,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,Apple CarPlay/Android Auto,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 Premium Floor Liners with Removable Carpet Insert,Front reading lights,HD Surround Vision,Heated steering wheel,Illuminated entry,OnStar Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Alert,Rear Premium Floor Liners with Removable Carpet Insert,Rear reading lights,Rear seat center armrest,Tachometer,Telescoping steering wheel,Tilt steering wheel,Trailer Cam Provisions and Trailer Viewing Software,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 Leather-Appointed Front Seat Trim,Power passenger seat,Safety Alert Seat,Split folding rear seat,Ventilated Driver and Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance with Hitch View,in-Vehicle Trailering System App,Alloy wheels,Wheels: 20" High Gloss Black 8 Spokes Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Front Passenger Windows with Express Up/Down,Rain sensing wipers,Variably intermittent wipers,3.73 Rear Axle Ratio