Pre-Owned 2026 GMC Sierra 2500HD AT4 For Sale Spokane, WA

Discover the ultimate in rugged capability with the 2026 GMC Sierra 2500HD AT4. This formidable truck is engineered to conquer any terrain, thanks to its powerful Duramax 6.6L V8 Turbodiesel engine and advanced 4WD system.- Upfitter Switch Kit (5) - Provides customizable electrical circuits for aftermarket accessories- Coastal Dune Tan Engine Block Heater- Dual 220/170-Amp Alternators for maximum electrical output- BF Goodrich Off-Road T/A KO3 Tires for exceptional traction- Hard Folding Truck Bed Cover for secure cargo storage- Front and Rear Molded Splash Guards for added protectionThe AT4 Premium Plus Package elevates this Sierra to new heights, adding a power sunroof, premium technology features, and high clearance off-road steps. Bask in the comfort of perforated leather-appointed seats, a Bose premium audio system, and a 15" head-up display.Engineered to handle the toughest jobs, this Sierra 2500HD AT4 is the ultimate partner for your next adventure. Experience the power and capability that only GMC can deliver.