Powered by a robust 6.6-liter V8 engine, the Sierra 2500HD Denali offers impressive heavy-duty performance, strong towing capability, and dependable power for demanding jobs. Buyers can find it with either a gasoline V8 producing 401 horsepower and 464 lb-ft of torque or an available 6.6-liter Duramax turbo-diesel V8 delivering 445 horsepower and 910 lb-ft of torque. Paired with a heavy-duty automatic transmission, this truck is built to handle demanding workloads while delivering a confident driving experience. The Denali trim combines rugged capability with premium luxury, featuring a refined leather-appointed interior, heated and ventilated front seats, a large infotainment touchscreen, Apple CarPlay and Android Auto compatibility, and advanced driver-assistance technologies. Its bold chrome grille, distinctive exterior styling, spacious Crew Cab configuration, and available four-wheel drive make it an excellent choice for drivers who want both professional-grade capability and upscale comfort. 60k miles