2026 GMC Sierra 1500 AT4 Crew Cab 4WD

The 2026 GMC Sierra 1500 AT4 at Sam Boswell Buick GMC is a full-size off-road pickup truck built for rugged performance, advanced capability, and professional-grade durability. Equipped with a powerful V8 engine, available four-wheel drive, and an off-road-tuned suspension, the Sierra 1500 AT4 delivers impressive towing capacity, confident hauling, and trail-ready performance for work, recreation, and outdoor adventures. Its aggressive exterior styling features the signature AT4 grille, LED lighting, skid plates, all-terrain tires, and dark-finish alloy wheels, creating a commanding and durable presence on highways and off-road terrain. With the MultiPro tailgate, reinforced truck bed, and advanced trailering technology, the 2026 GMC Sierra 1500 AT4 is designed to handle demanding jobs and weekend excursions with ease. Inside, the 2026 GMC Sierra 1500 AT4 offers a refined yet rugged cabin with premium seating, modern materials, and a large touchscreen infotainment system with Apple CarPlay, Android Auto, and available navigation. Advanced safety and driver-assist features including forward collision alert, lane keep assist, blind spot monitoring, and rear cross traffic alert provide added confidence on every drive. Combining professional-grade capability, off-road performance, and modern technology, the 2026 GMC Sierra 1500 AT4 at Sam Boswell Buick GMC is the ideal full-size pickup for drivers seeking strength, versatility, and comfort in one powerful truck. Summit White 2026 GMC Sierra 1500 AT4 4WD 10-Speed Automatic EcoTec3 6.2L V8 10-Speed Automatic, 4WD, Jet Black With Kalahari Accents Leather, 120-Volt Bed Mounted Power Outlet, 120-Volt Interior Power Outlet, 2 Charge/Data USB Ports Inside Center Console, 2 Type-C Charge-Only Rear USB Ports, 2 USB Ports, 220 Amp Alternator, AT4 CarbonPro Edition, AT4 Preferred Package, AT4 Premium Package, Auto-Locking Rear Differential, Bed View Camera, Black Chrome Grille Insert Bars, Carbon Fiber Composite Bed, CarbonPro Fender Hard Badge, Color-Keyed Carpeting Floor Covering, Deep-Tinted Glass, Electric Rear-Window Defogger, Floor-Mounted Center Console, Front Prem Floor Liners w/Removable Carpet Insert, Front Rain-Sensing Wipers, HD Surround Vision, Heated 2nd Row Outboard Seats, Heated Driver & Front Outboard Passenger Seating, Heavy-Duty Air Filter, Hill Descent Control, Hitch Guidance, Hitch View, In-Vehicle Trailering System App, Integrated Trailer Brake Controller, Keyless Open & Start, LED Cargo Area Lighting, Multicolor 15" Diagonal Head-Up Display, MultiPro Tailgate Audio System by Kicker (LPO), Navigation System, Off-Road High Clearance Step (LPO), OnStar Services Capable, Perimeter Lighting, Power Door Locks, Power Front Passenger Windows w/Express Up/Down, Power Front Windows w/Driver Express Up/Down, Power Rake & Telescoping Steering Column, Power Rear Windows w/Express Down, Power Sliding Rear Window w/Rear Defogger, Preferred Equipment Group 4SB, Premium Bose 7-Speaker Sound System, Push Button Start, Rear Camera Mirror, Rear Cross Traffic Braking, Rear Pedestrian Detection, Rear Prem Floor Liners w/Removable Carpet Insert, Rear Wheelhouse Liners, Red Recovery Hooks, Remote Vehicle Starter System, SiriusXM w/360L Trial Subscription, Spray-On Pickup Bedliner w/GMC Logo, Steering Wheel Audio Controls, Technology Package, Theft Deterrent System (Unauthorized Entry), Trailer Camera Provisions, Trailer Side Blind Zone Alert, Trailering Package, Ultrasonic Front & Rear Park Assist, Universal Home Remote, Ventilated Driver & Front Passenger Seats, Wi-Fi Hotspot Capable, Wireless Charging. Recent Arrival! Price includes: $1500 - Bonus Cash. Exp. 06/01/2026 $1750 - Purchase Allowance. Exp. 06/01/2026 $3500 - Trade Assistance. Exp. 06/01/2026

Additional Information

Navigation System,AT4 CarbonPro Edition,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,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 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,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,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,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,Carbon Fiber Composite Bed,CarbonPro Fender Hard Badge,Dual Active Exhaust,Heated door mirrors,LED Cargo Area Lighting,Power door mirrors,Rear step bumper,Rear Wheelhouse Liners,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 reading lights,HD Surround Vision,Heated steering wheel,Illuminated entry,Multicolor 15" 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 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,Voltmeter,Wi-Fi Hotspot Capable,Wireless Apple CarPlay/Wireless Android Auto,Wireless Charging,Front Bucket Seats,Front Center Armrest,Heated 2nd Row Outboard Seats,Heated front seats,Heated rear seats,Perforated Front Leather Seat Trim,Power passenger seat,Split folding rear seat,Ventilated front seats,Passenger door bin,Hitch Guidance,Hitch View,Integrated Trailer Brake Controller,Red Recovery Hooks,Alloy wheels,Wheels: 20" x 9" Machined Aluminum,Deep-Tinted Glass,Front Rain-Sensing Wipers,Rain sensing wipers,Variably intermittent wipers,3.23 Rear Axle Ratio