Introducing the 2026 GMC Sierra 2500HD AT4, a premium heavy-duty pickup engineered for those who demand capability and refinement in equal measure. - Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque - 10-Speed Automatic transmission with 2-Speed Active Transfer Case - AT4 Premium Plus Package with power sunroof and Technology Package - Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted trailer harness - Power-retractable assist steps with LED lighting and high clearance step design - BF Goodrich off-road tires (LT275/65R20) mounted on 20" high gloss black aluminum wheels - Spray-on pickup bedliner with GMC logo and rear underseat storage - 15" diagonal head-up display with multicolor imaging - Bed view camera with two trailer camera provisions and trailer side blind zone alert - HD surround vision and ultrasonic front and rear park assist - Bose Premium 7-Speaker sound system with Apple CarPlay and Android Auto integration - SiriusXM 360L with trial subscription and wireless phone projection - Heated and ventilated front seats with 10-way power driver adjustment and lumbar support - Power sunroof with glass panel design - Engine block heater and 220-amp alternator for diesel efficiency This Sierra arrives in Beige with Coastal Dune Tan accents, complemented by body-color wheel arch moldings and a gloss black header grille. The AT4 trim combines aggressive styling with practical enhancements, including the exclusive MultiPro tailgate step lights and exterior lighting package that extends from the roof markers to the integrated cargo area illumination. Winter grille cover, heated door mirrors, and rain-sensing wipers prepare this truck for any season. The cab prioritizes driver comfort and control with heated and ventilated seating for front passengers, memory seat settings, and a heated steering wheel. The 15" digital dashboard display provides navigation, vehicle diagnostics, and trailering information at a glance. Wireless charging, multiple USB ports, and a floor-mounted center console keep your devices powered throughout the day. Off-road capability is engineered into every system. The X31 Off-Road Package, combined with independent front suspension and electronic hill descent control, navigates challenging terrain with precision. The active transfer case engages four-wheel drive with a single command, while the off-road tuned suspension maintains composure on uneven surfaces. The bed itself is ready for work, featuring stamped holes and a removable 7-pin trailer harness for gooseneck or fifth-wheel applications. Safety systems work quietly in the background. Automatic emergency braking monitors forward traffic, while rear cross traffic alert and trailer side blind zone alert provide additional perspective when reversing or towing. Lane departure warning and forward pedestrian braking add layers of protection, supported by a full suite of airbags and OnStar emergency communication. With only 2,678 miles on the odometer, this Sierra remains virtually new, offering the confidence of factory condition with the benefit of immediate availability. Every system functions at peak performance, from the diesel engine to the sophisticated climate and infotainment controls. WE SHIP ANYWHERE IN THE UNITED STATES, JUST ASK.

Additional Information

AT4 Preferred Package,AT4 Premium Plus Package,Gooseneck/5th Wheel Prep 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,220-Amp Alternator,Engine Block Heater,Exhaust Brake,Heavy-Duty 80 Amp Battery,Auto-dimming door mirrors,Body Color Wheel Arch Moldings,Bumpers: body-color,Front License Plate Kit,Gloss Black Header Grille and Grille Insert Bars,GMC MultiPro Tailgate Step Lights,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,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,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,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,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,Rear Underseat Storage,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,Power Sliding Rear Window with Defogger,Rain sensing wipers,Variably intermittent wipers,WE SHIP ANYWHERE IN THE UNITED STATES, JUST ASK.