Pre-Owned 2026 GMC Sierra 1500 AT4 For Sale Berlin, MA

Meet the 2026 GMC Sierra 1500 AT4, a silver pickup truck built for those who demand capability and refinement in equal measure. This locally owned, one-owner vehicle has been meticulously serviced and reconditioned, arriving with a clean CARFAX and Maryland state inspection complete.- Power sunroof with premium styling- Technology Package with 15 multicolor head-up display and rear camera mirror- Premium Bose 7-speaker sound system with SiriusXM 360L- AT4 Preferred Package with universal home remote and power rear sliding window- Trailering Package with integrated trailer brake controller and hitch guidance- 3.0L inline-six engine with 10-speed automatic and 4WD capability- Bed View Camera and HD Surround Vision for enhanced awareness- Heated and ventilated front seats with 10-way power adjustment- Wireless Apple CarPlay and Android Auto connectivity- Off-road suspension with auto-locking rear differential and hill descent control- Spray-on bedliner with GMC Logo- Rear cross traffic braking and rear pedestrian detection- Remote vehicle starter system and push button start- Navigation system with OnStar Services capability- Ultrasonic front and rear park assistThe AT4 package elevates this Sierra with specialized off-road engineering, including an off-road-tuned suspension and auto-locking rear differential that deliver genuine capability when terrain demands it. The bed is equipped with a spray-on bedliner, 120-volt power outlet, and interior bed-mounted lighting for practical productivity. A black sport step and color-keyed carpeting reinforce the premium presentation throughout.Inside, heated and ventilated leather-trimmed seats provide year-round comfort, while the 10-way power adjustable driver's seat with lumbar support ensures proper positioning for long drives. The 15-inch head-up display projects critical information directly into your line of sight, reducing distractions and keeping you focused on the road.Technology is woven throughout this truck. The Premium Bose audio system delivers clarity and depth, while wireless charging and multiple USB ports throughout the cabin keep your devices ready. The Rear Camera Mirror and HD Surround Vision provide comprehensive visibility during parking and maneuvering, supported by rear cross traffic braking and rear pedestrian detection for added safety assurance.For those who tow, the integrated trailer brake controller, hitch guidance, and trailer camera provisions make connecting and managing loads straightforward. The hill descent control and off-road suspension ensure confident handling in challenging conditions, while the red recovery hooks provide practical reassurance when venturing off the beaten path.With city fuel efficiency of 22 MPG and highway capability reaching 26 MPG, this Sierra balances power and efficiency responsibly. This truck is ready for your driveway and your lifestyle—visit us to experience it firsthand.