This 2021 GMC Sierra 1500 Denali features a 4WD crew cab with a 147-inch short box, finished in striking Onyx Black with a Jet Black, Forge Perforated Leather-Appointed interior. Powered by a robust Ecotec3 6.2L V8 engine delivering 420 horsepower, it combines strong performance with advanced fuel-saving cylinder deactivation technology. The 10-speed automatic transmission enhances both power delivery and efficiency. Designed for comfort and convenience, this Sierra Denali includes heated second-row outboard seats and a power sunroof, ensuring a refined driving experience. The premium Bose 7-speaker sound system and the GMC Infotainment System with a touchscreen, Bluetooth wireless audio streaming, and internet radio capability provide excellent in-cabin entertainment. Equipped with trailering aids such as Hitch Guidance with Hitch View, a Trailer Tire Pressure Monitor System, and the In-Vehicle Trailering App, this truck eases towing tasks. Safety is prioritized with features like Front Pedestrian Braking, an HD Rear Vision Camera with Hitch View, Lane Keep Assist with Lane Departure Warning, Brake Assist, and Rear Collision Warning. A 120-volt bed-mounted power outlet adds versatility for work or recreation. This Sierra Denali balances powerful capability with premium comfort and advanced technology to meet the needs of discerning truck drivers.