Meet the 2026 GMC Sierra 1500 AT4, a capable pickup truck built to handle demanding work and deliver commanding presence on any road. With its distinctive AT4 design and premium appointments, this truck combines rugged functionality with refined comfort for drivers who refuse to compromise.- Power Sunroof- Dual Active Exhaust with Sport-Mode Enabled- Multicolor 15 Diagonal Head-Up Display- Rear Camera Mirror- Bed View Camera- Premium Bose 7-Speaker Sound System with SiriusXM 360L Trial- Wireless Apple CarPlay and Android Auto- Heated and Ventilated Front Seats with 10-Way Power Adjustment- Heated Rear Seats- Navigation System- Ultrasonic Front and Rear Park Assist with Rear Cross Traffic Braking- Lane Keep Assist with Lane Departure Warning and Automatic Emergency Braking- Off-Road Suspension with Hill Descent Control- Spray-On Pickup Bedliner with GMC Logo- 20 Machined Aluminum WheelsPowered by the EcoTec3 6.2L V8 engine producing 420 horsepower and 460 lb-ft of torque, this Sierra delivers potent performance backed by a 10-speed automatic transmission and 4WD capability. The dual active exhaust with sport-mode enabled provides a commanding sound when you want it. Real-world fuel economy sits at 15 MPG city and 19 MPG highway, allowing you to balance power with practical efficiency.The AT4 Premium Package elevates your experience with AT4 Preferred Package features and off-road high clearance steps, combining style with practical utility. Off-road suspension and auto-locking rear differential ensure confident handling across varied terrain, while the hill descent control takes the guesswork out of steep descents.Inside, luxury meets functionality. The premium Bose audio system, wireless smartphone integration, and navigation system keep you connected and entertained. Heated and ventilated front seats with memory settings adapt to your comfort preferences, while the heated rear seats extend comfort to all passengers. The multicolor head-up display presents vital information directly in your line of sight, and the rear camera mirror provides enhanced visibility when backing up or trailering.Safety technology is comprehensive, featuring automatic emergency braking, front pedestrian braking, lane keep assist, rear cross traffic braking, and rear pedestrian detection. The integrated trailering system app, hitch guidance, and hitch view camera make towing straightforward and controlled. Ultrasonic park assist guides you into tight spaces with confidence.This 2026 Sierra AT4 combines truck capability, premium comfort, and advanced technology into a vehicle ready to meet your highest expectations. Schedule your visit to experience this commanding truck firsthand and discover why the AT4 sets the standard for premium truck ownership.

Options:

Navigation System,AT4 Preferred Package,AT4 Premium Package,Preferred Equipment Group 4SB,Technology Package,Trailering Package,7 Speakers,AM/FM radio: SiriusXM with 360L,Premium Bose 7-Speaker Sound System,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,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,Auto-Locking Rear Differential,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 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,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,Black Chrome Grille Insert Bars,Bumpers: body-color,Dual Active Exhaust,Front License Plate Kit,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,HD Surround Vision,Heated steering wheel,Illuminated entry,Lane Keep Assist with Lane Departure Warning,Multicolor 15 inch Diagonal Head-Up Display,OnStar Services Capable,Outside temperature display,Overhead console,Passenger vanity mirror,Rear Camera 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,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 Seating,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,Hitch View,in-Vehicle Trailering System App,Integrated Trailer Brake Controller,Red Recovery Hooks,Alloy wheels,Wheels: 20 inch x 9 inch Machined 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,REAR CAMERA MIRROR INSIDE REARVIEW AUTO-DIMMING with full camera display,REAR AXLE 3.23 RATIO,LICENSE PLATE KIT FRONT,WHEELS 20 X 9 (50.8 CM X 22.9 CM) MACHINED ALUMINUM with Carbon Grey Metallic accents (STD),TIRE SPARE 255/80R17SL ALL-SEASON BLACKWALL (STD),LPO OFF-ROAD HIGH CLEARANCE STEPS (dealer-installed),GVWR 7100 LBS. (3221 KG),JET BLACK WITH KALAHARI ACCENTS PERFORATED LEATHER FRONT SEAT TRIM,UNIVERSAL HOME REMOTE,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),BED VIEW CAMERA camera in the CHMSL to show a view of the cargo bed display located in infotainment screen,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,SUNROOF POWER,SEATS FRONT BUCKET with center console (STD),TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolor 15 Diagonal Head-Up Display (Includes (UVN) Bed View Camera.),COOLING EXTERNAL ENGINE OIL COOLER,AT4 PREFERRED EQUIPMENT GROUP includes standard equipment,TIRES 275/60R20SL ALL-TERRAIN BLACKWALL (STD),AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote and (A48) rear sliding power window,AT4 PREMIUM PACKAGE includes (PDO) AT4 Preferred Package and (VXW) Off-Road High Clearance Steps,ONYX BLACK,WINDOW POWER REAR SLIDING WITH REAR DEFOGGER,ENGINE 6.2L ECOTEC3 V8 (420 hp [313 kW] @ 5600 rpm 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring Dynamic Fuel Management,MULTICOLOR 15 DIAGONAL HEAD-UP DISPLAY,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,Four Wheel Drive,Tow Hooks,Power Steering,ABS,4-Wheel Disc Brakes,Aluminum Wheels,Tires - Front All-Terrain,Tires - Rear All-Terrain,Conventional Spare Tire,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,Privacy Glass,Integrated Tailgate Step,Bed Liner,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,Power Passenger Seat,Passenger Adjustable Lumbar,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,Heated Steering Wheel,Power Windows,Power Windows,Power Windows,Power Door Locks,Keyless Entry,Power Door Locks,Keyless Start,Remote Engine Start,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,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