New 2026 Gmc Sierra 2500 HD SLT

Experience the power and refinement of the new 2026 GMC Sierra 2500HD SLT Crew Cab 4WD. Driven by the legendary Duramax 6.6L Turbo-Diesel V8 (470hp/975 lb-ft), paired with a 10-speed Allison automatic transmission and advanced 4X4 system, this truck is ready for any job or adventure. Enjoy superior towing with the ProGrade Trailering System, trailer brake controller, and HD Surround Vision with multiple cameras. The SLT Premium Package adds a spray-on bedliner, 6" chrome assist steps, and LED cargo lighting. Inside, indulge in premium leather seating, heated and ventilated front seats, heated rear seats, Bose 7-speaker audio, and a 13.4" touchscreen with wireless connectivity. Adaptive cruise control, lane departure warning, forward collision alert, and a suite of airbags ensure safety. Additional highlights include a power sunroof, power sliding rear window, dual-zone climate control, and all-weather floor liners. Rugged 18" machined aluminum wheels and LT275/70R18 all-terrain tires complete the package. This Sierra delivers unmatched strength, comfort, and technology.