New 2026 GMC Sierra 3500HD SLE For Sale Putnam, CT

Experience uncompromising power and capability with the new 2026 GMC Sierra 3500HD SLE 4WD Crew Cab in striking Black. This heavy-duty truck features a robust 6.6L V8 engine delivering 401 horsepower and 464 lb-ft of torque, paired with a 10-speed Allison automatic transmission and advanced 4X4 system for exceptional towing and hauling. The spacious Crew Cab seats six and includes premium cloth upholstery, 10-way power driver seat with lumbar, and dual-zone automatic climate control for comfort on every drive. Key features: SLE Convenience Package, heated front seats and steering wheel, HD Surround Vision with multiple cameras, Adaptive Cruise Control, ProGrade Trailering System, and a spray-on bedliner with integrated bed steps. The 13.4" GMC Infotainment System with wireless phone projection and mobile hotspot keeps you connected. Safety is top-tier with Forward Collision Alert, Lane Departure Warning, Front and Rear Park Assist, and a host of airbags. Ride with confidence thanks to heavy-duty suspension, 20" bright face wheels, and full suite of towing technologies. Ready for any challenge, this Sierra 3500HD is the ultimate blend of strength, technology, and comfort.