2026 GMC Sierra 3500 HD Crew Cab, Long Bed, AT4, 4WD

2026 GMC Sierra 3500HD AT4 Crew Cab 4WD – Duramax Diesel | AT4 Premium Package | 6,600 Miles! Heavy-duty capability meets premium AT4 refinement. This 2026 GMC Sierra 3500HD AT4 Crew Cab 4WD Long Bed is an exceptional find, finished in Sterling Metallic with a sophisticated Black Leather Interior featuring Kalahari Accents. Showing just over 6,600 miles, this truck is in showroom condition and combines serious towing capability with upscale comfort, advanced technology, and bold AT4 styling. Performance, Capability & Equipment 6.6L Duramax Turbo-Diesel V8 – $9,990 Option Impressive diesel torque for demanding towing and hauling Paired with an Allison 10-speed automatic transmission Engineered for heavy-duty performance and long-distance confidence Four-Wheel Drive (4WD) – Added traction and capability when conditions get challenging AT4 Premium Package – Premium amenities and distinctive AT4 features Gooseneck / 5th-Wheel Prep Package – Designed to help equip the truck for compatible gooseneck and fifth-wheel trailer setups Long Bed Configuration – Extra cargo space and practical utility Bold AT4 exterior styling with rugged details and distinctive badging Sterling Metallic exterior paint Premium Interior & Technology Black leather-appointed interior with Kalahari accents 13.4-inch GMC Infotainment System with Google Built-In Bose Premium Audio System Heated and ventilated front seats Driver-seat and exterior-mirror memory settings Large digital driver information display LED exterior lighting Crew Cab space with generous room for passengers Advanced driver-assistance and safety technologies Heavy-Duty Strength Without Sacrificing Comfort Whether you're towing a substantial trailer, working hard, or traveling in comfort, this Sierra 3500HD AT4 delivers the versatility expected from a premium heavy-duty truck. The Duramax diesel, 4WD capability, long-bed configuration, and fifth-wheel/gooseneck preparation make it a compelling choice for serious truck buyers. With showroom condition and only just over 6,600 miles, this is a standout opportunity to own a nearly new Sierra HD. Morgan Automotive offers great quality vehicles priced correctly. Family owned and operated, proudly serving beautiful Lancaster County, PA, including Harrisburg, Ephrata, Lititz, York, Reading, and anywhere in between. EST. in 1998. The Morgan Promise — Confidence Comes Standard At Morgan Automotive, every pre-owned vehicle receives the attention it deserves: Tires, brakes, and rotors with more than 50% life remaining Fresh Pennsylvania state inspection and fresh oil CARFAX report Two keys Half a tank of gas A multi-point mechanical check sheet Enjoy our commission-free sales team, transparent pricing, and customer-focused service. One Price. Our Best Price. Ask about available warranty coverage and ProGuard vehicle service contracts. Delivery and free service loaner vehicles are available, with discounts for active military, veterans, and first responders. Call 717-664-3833 or email [email protected] to confirm availability, request a personalized video, or schedule your visit. Explore current inventory and pricing at https://morganautos.com/ WARRANTY: Still covered under the current remaining balance of factory warranty.