Meet the 2026 GMC Sierra 1500 AT4, a full-size pickup truck designed for those who demand capability, comfort, and sophistication in a single vehicle. - EcoTec3 6.2L V8 engine with 420 hp and 460 lb-ft of torque - 10-Speed Automatic transmission with 4WD - Rear Camera Mirror with Multicolor 15 Head-Up Display - Premium Bose 7-Speaker Sound System with SiriusXM 360L - Spray-on Pickup Bedliner with GMC Logo - Off-Road High Clearance Steps and Off-Road Suspension - Auto-Locking Rear Differential with Hill Descent Control - Heated and Ventilated Front Seats with Power Adjustment - Wireless Apple CarPlay and Android Auto Integration - Advanced Safety Suite including Automatic Emergency Braking and Rear Cross Traffic Braking - HD Surround Vision with Bed View Camera - Integrated Trailer Brake Controller with Hitch Guidance - Ultrasonic Front and Rear Park Assist - Remote Vehicle Starter System with Push Button Start - 20 Machined Aluminum Wheels The AT4 package elevates this Sierra with purposeful features that blend rugged capability with refined living space. The advanced technology package delivers a 15-inch head-up display and rear camera mirror, keeping essential information within your line of sight while maintaining full visibility. Your journey receives additional support through the integrated trailering system app, hitch guidance, and integrated trailer brake controller tools that make towing predictable and controlled, whether you're managing highways or back roads. Inside, heated and ventilated front seats adjust in ten directions, offering customized comfort across varying climates. The wireless charging pad, dual-zone automatic climate control, and dual USB-C ports ensure your devices stay powered while leather-trimmed seating surfaces create an atmosphere of quality. The premium Bose seven-speaker system combined with wireless smartphone integration transforms your cabin into a mobile command center. This Sierra's mechanical foundation speaks to serious capability. The EcoTec3 6.2L V8 produces 420 horsepower and 460 lb-ft of torque, paired with a 10-speed automatic transmission that balances power delivery with efficiency. The automatic-locking rear differential and off-road suspension establish genuine traction and control, whether navigating daily commutes or accessing challenging terrain. Dynamic fuel management helps optimize performance and efficiency throughout your driving day. Safety systems work continuously to protect your journey. Automatic emergency braking, lane keep assist with departure warning, forward and rear pedestrian detection, and rear cross traffic braking provide layers of awareness. The 360-degree camera system grants complete visibility around your vehicle, while the OnStar emergency communication system stands ready if you need assistance. This 2026 Sierra AT4 stands as a truck for those who refuse compromise those who expect their vehicle to handle work with authority while delivering daily-driver refinement without apology. Cape Coral CDJR is Southwest Florida's First Choice for Service, Selection, and $avings! This isn't just a slogan it's our commitment to every customer. We deliver an exceptional experience, backed by our 4.5-star Google rating. Our selection is second to none, with one of the largest inventories of new CDJR vehicles in the nation. And our pricing is ALWAYS highly competitive! Ask about our exclusive FastPass Purchase Process your shortcut to a seamless buying experience. Complete your purchase online with secure digital signing and available home delivery anywhere in the continental U.S., or choose in-store pickup with your documents completed and vehicle fully prepared and ready when you arrive. Dealer fees and pre-installed options are included in most advertised prices, but can vary by source. All prices exclude government charges such as sales t