This 2026 GMC Sierra 1500 AT4X in Black represents capable off-road performance paired with premium truck amenities designed for those who demand both functionality and refinement.- EcoTec3 6.2L V8 engine with 420 hp and 460 lb-ft of torque- Dual active sport-mode exhaust system- Driver-selectable full-locking front and rear differentials- Off-road suspension with hill descent control- 4-wheel drive with 10-speed automatic transmission- Premium Bose audio system with 12 speakers and SiriusXM- 15-inch diagonal multicolor head-up display- Apple CarPlay and Android Auto with wireless capability- Heated and ventilated leather front seats with 16-way power adjustment- Power moonroof with power sliding rear window- Navigation system with integrated trailering system app- Automatic emergency braking with lane keep assist and rear cross traffic brakingThe AT4X trim establishes itself as a serious off-road platform. The standard locking differentials provide control on challenging terrain, while the off-road suspension geometry and hill descent control work together to manage steep grades. The spray-on bedliner with GMC logo protects your investment, and the bed-mounted side assist handle adds practical functionality.Inside, the cabin balances capability with comfort. Full grain leather seating with heating and ventilation extends to the second row, where heated outboard seats accommodate additional passengers. The 16-way power driver seat with lumbar support and memory functions ensures personalized positioning, while genuine wood dashboard and door panel inserts elevate the interior aesthetic.Technology integration is comprehensive. The navigation system pairs with the integrated trailer brake controller and in-vehicle trailering system app to streamline towing operations. Wireless charging, multiple USB ports including Type-C connectors, and a Wi-Fi hotspot keep your devices connected. Safety features include automatic emergency braking, lane keep assist with departure warning, rear pedestrian detection, and a 360-degree surround vision camera system.The truck delivers genuine utility without compromise. The trailering package, hitch guidance, and hitch view camera provisions support serious towing applications. The 3.23 rear axle ratio balances performance and efficiency, while the heavy-duty air filter and external engine oil cooling support sustained capability.We invite you to examine this Sierra 1500 AT4X in person and experience the commanding presence and refined capability that defines this truck. Price includes Price includes Dealer discount and GM rebates that all customers qualify for:$1500 - Buick GMC Bonus Cash. Exp. 08/31/2026 $1750 - Buick & GMC Consumer Cash Program. Exp. 08/31/2026

Options:

Navigation System,Preferred Equipment Group 4SG,Trailering Package,12 Speakers,AM/FM radio: SiriusXM with 360L,Bose Premium Series with 12- Speaker System,MultiPro Tailgate Audio System by Kicker,Radio data system,Radio: Premium GMC Infotainment Audio 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 Interior Power Outlet,Driver Memory,Heads-Up Display,Memory seat,Power driver seat,Power Front Passenger Windows with Express Up/Down,Power Front Windows with Driver Express Up/Down,Power Rear Windows with Express Down,Power steering,Power windows,Push Button Start,Remote keyless entry,Remote Vehicle Starter System,Steering wheel mounted audio controls,Universal Home Remote,Off-Road Suspension,Power Rake and Telescoping Steering Column,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 Door Locks,Power moonroof,Power Sunroof,Brake assist,Electronic Stability Control,Hill Descent Control,Auto High-beam Headlights,Delay-off headlights,Front fog lights,Fully automatic headlights,Perimeter Lighting,Panic alarm,Security system,Theft Deterrent System (unauthorized Entry),Speed control,Driver-Selectable Full-Locking Front Differential,Driver-Selectable Full-Locking Rear Differential,170 Amp Alternator,220 Amp Alternator,Auxiliary External Transmission Oil Cooler,Block heater,External Engine Oil Cooling,Heavy-Duty Air Filter,Auto-dimming door mirrors,Bed Mounted Side Assist Handle,Dual Active Exhaust,Front License Plate Kit,Gloss Black Header with Dark Nickel Grille Insert Bars,Heated door mirrors,IntelliBeam Automatic High Beam on/Off,LED Cargo Area Lighting,Off-Road High Clearance Step,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,Spray-on Pickup Bedliner with GMC Logo,2 Charge/Data USB Ports Inside Center Console,2 Type-C Charge-Only Rear USB Ports,2 USB Ports,Apple CarPlay/Android Auto,Auto-dimming Rear-View mirror,Automatic Emergency Braking,Bed View Camera,Buckle to Drive,Color-Keyed Carpeting Floor Covering,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,Garage door transmitter,Genuine wood dashboard insert,Genuine wood door panel insert,HD Surround Vision,Heated steering wheel,Illuminated entry,Lane Keep Assist with Lane Departure Warning,Leather steering wheel,Multicolor 15 inch Diagonal Head-Up Display,OnStar Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Cross Traffic Braking,Rear Pedestrian Detection,Rear Premium Floor Liners with Removable Carpet Insert,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,Wi-Fi Hotspot Capable,Wireless Apple CarPlay/Wireless Android Auto,Wireless Charging,16-Way Power Driver Seat Adjuster with Lumbar,16-Way Power Passenger Seat Adjuster with Lumbar,Front Bucket Seats,Front Center Armrest,Full Grain Leather Seat Trim,Heated 2nd Row Outboard Seats,Heated Driver and Front Outboard Passenger Seating,Heated front seats,Heated rear seats,Power passenger seat,Split folding rear seat,Ventilated Driver and Front Passenger Seats,Ventilated front seats,Passenger door bin,Hitch Guidance,Hitch View,in-Vehicle Trailering System App,Integrated Trailer Brake Controller,Trailer Tire Pressure Monitor System,Alloy wheels,Wheels: 18 inch x 8.5 inch Painted Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Power Sliding Rear Window with Rear Defogger,Rain sensing wipers,Variably intermittent wipers,3.23 Rear Axle Ratio,ASSIST HANDLE SIDE (bed mounted; fold out grab handle for extra support).,REAR AXLE 3.23 RATIO,AT4X PREFERRED EQUIPMENT GROUP includes standard equipment,LICENSE PLATE KIT FRONT,WHEELS 18 X 8.5 (45.7 CM X 21.6 CM) PAINTED ALUMINUM with dark painted pockets (STD),LPO OFF-ROAD HIGH CLEARANCE STEPS (dealer-installed),GVWR 7100 LBS. (3221 KG),OBSIDIAN RUSH FULL GRAIN LEATHER FRONT SEAT TRIM,AUDIO SYSTEM 13.4 DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE INCLUDES COLOR TOUCH-SCREEN MULTI-TOUCH DISPLAY AM/FM STEREO Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones (STD),TRANSMISSION 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking,SEATS FRONT BUCKET with center console (STD),COOLING EXTERNAL ENGINE OIL COOLER,ONYX BLACK,ENGINE 6.2L ECOTEC3 V8 (420 hp [313 kW] @ 5600 rpm 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring Dynamic Fuel Management,ACTIVE EXHAUST DUAL SPORT-MODE ENABLED,COOLING AUXILIARY EXTERNAL TRANSMISSION OIL COOLER,ALTERNATOR 170 AMPS,Tow Hitch,Lane Departure Warning,Lane Keeping Assist,Front Collision Mitigation,Front Collision Warning,Automatic Highbeams,Keyless Start,Locking/Limited Slip Differential,Locking/Limited Slip Differential,Four Wheel Drive,Power Steering,ABS,4-Wheel Disc Brakes,Aluminum Wheels,Tires - Front All-Terrain,Tires - Rear All-Terrain,Conventional Spare Tire,Sun/Moonroof,Generic Sun/Moonroof,Daytime Running Lights,LED Headlights,Automatic Highbeams,Fog Lamps,Heated Mirrors,Power Mirror(s),Mirror Memory,Power Folding Mirrors,Intermittent Wipers,Variable Speed Intermittent Wipers,Rain Sensing Wipers,Rear Defrost,Sliding Rear Window,Privacy Glass,Integrated Tailgate Step,Bed Liner,Premium Sound System,AM/FM Stereo,Navigation System,MP3 Capability,Bluetooth Connection,Auxiliary Audio Input,Smart Device Integration,Requires Subscription,Satellite Radio,Requires Subscription,Premium Sound System,Bluetooth Connection,Bluetooth Connection,Smart Device Integration,Steering Wheel Audio Controls,WiFi Hotspot,Bucket Seats,Leather Seats,Power Driver Seat,Driver Adjustable Lumbar,Seat-Massage,Power Passenger Seat,Passenger Adjustable Lumbar,Seat-Massage,Heated Front Seat(s),Mirror Memory,Seat Memory,Heated Front Seat(s),Cooled Front Seat(s),Pass-Through Rear Seat,Heated Rear Seat(s),Floor Mats,Floor Mats,Adjustable Steering Wheel,Leather Steering Wheel,Heated Steering Wheel,Heads-Up Display,Power Windows,Power Windows,Power Windows,Power Door Locks,Keyless Entry,Power Door Locks,Keyless Start,Remote Engine Start,Universal Garage Door Opener,Cruise Control,Adaptive Cruise Control,Security System,MP3 Capability,Auxiliary Audio Input,MP3 Capability,Auxiliary Audio Input,Climate Control,Multi-Zone A/C,A/C,Rear Defrost,Auto-Dimming Rearview Mirror,Back-Up Camera,Front Collision Mitigation,Front Collision Warning,Front Collision Mitigation,Front Collision Warning,Traction Control,Stability Control,Daytime Running Lights,Driver Air Bag,Passenger Air Bag,Front Side Air Bag,Front Head Air Bag,Rear Head Air Bag,Passenger Air Bag Sensor,Telematics,Requires Subscription,Telematics,Navigation from Telematics,Requires Subscription,Back-Up Camera,Aerial View Display System,Rear Parking Aid,Front Collision Warning,Lane Departure Warning,Lane Keeping Assist,Blind Spot Monitor,Cross-Traffic Alert,Driver Monitoring,Tire Pressure Monitor