2026 GMC Sierra 2500HD AT4 Crew Cab 4WD

Experience the Uncompromising Capability of the 2026 GMC Sierra 2500HD AT4 This 2026 GMC Sierra 2500HD AT4 is a true workhorse, engineered to conquer the toughest terrain and handle your most demanding tasks with ease. Outfitted with a powerful Duramax 6.6L V8 Turbodiesel engine and a robust 10-speed automatic transmission, this Sierra 2500HD AT4 delivers exceptional performance and capability. - Power-Retractable Black Assist Steps with LED Lighting - Upfitter Switch Kit (5) for Customizable Electrical Accessories - Dual 220-Amp Primary and 170-Amp Auxiliary Alternators - Spray-On Pickup Bedliner with GMC Logo - Hard Folding Truck Bed Cover by RealTruck Advantage - Rear Underseat Storage Compartment Designed to excel both on and off the beaten path, the Sierra 2500HD AT4 features an Off-Road Suspension, 2-Speed Active Transfer Case, Hill Descent Control, and BF Goodrich Off-Road T/A KO3 tires. With the Max Trailering Package, this truck is ready to haul your heaviest loads with confidence. Inside, the Sierra 2500HD AT4 delivers premium comfort and convenience. Enjoy the Bose Premium 7-Speaker Sound System, Wireless Charging, and a 15-inch Multicolor Head-Up Display. The AT4 Premium Plus Package adds even more luxury with a Power Sunroof, Heated Steering Wheel, and Ventilated Front Seats. This 2026 GMC Sierra 2500HD AT4 is a true workhorse, ready to tackle any challenge you throw its way. Experience the uncompromising capability of this exceptional truck today. Price includes: $1000 - Buick & GMC Consumer Cash Program. Exp. 06/01/2026

Additional Information

AT4 Preferred Package,AT4 Premium Plus Package,Gooseneck/5th Wheel Prep Package,Hitch Package,Max Trailering Package,Preferred Equipment Group 4SB,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 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,Front anti-roll bar,Front wheel independent suspension,Keyless Open and Start,Low tire pressure warning,Occupant sensing airbag,Overhead airbag,Power Sunroof,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,Dual 220-Amps Primary and 170-Amps Auxiliary Alternators,Engine Block Heater,Exhaust Brake,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,LED Smoked Amber Roof Marker Lamps,Power door mirrors,Power-Retractable Black Assist Steps,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,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera with Two Trailer Camera Provisions,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,Inside Rearview Auo-Dimming Rear Camera Mirror,Multicolor 15" Diagonal Head-Up Display,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,Sport Pedal Cover Kit,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,Universal Vehicle Module,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 Leather-Appointed Front Seat Trim,Power passenger seat,Rear Underseat Storage,Safety Alert Seat,Split folding rear seat,Ventilated Driver and Front Passenger Seats,Ventilated front seats,Hard Folding Truck Bed Cover,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,Power Sliding Rear Window with Defogger,Rain sensing wipers,Variably intermittent wipers,3.42 Axle Ratio,Android Auto,Apple Car Play,Remote Start