Experience commanding power and refined capability with the 2026 GMC Sierra 3500HD Denali Ultimate in striking Downpour Metallic, designed for those who demand excellence on every job.

Built to excel in the toughest conditions, this heavy-duty truck features a robust 6.6L Duramax Turbo-Diesel V8 engine delivering an impressive 470 horsepower and a massive 975 lb-ft of torque. Coupled with a 10-speed automatic transmission and advanced 4x4 drivetrain, it offers unmatched towing and hauling performance, ideal for professionals and enthusiasts who require serious muscle and reliability. The Denali Ultimate trim enhances your driving experience with premium leather seats that include heating, cooling, and massage functions, along with power-adjustable lumbar support and memory settings for both driver and passenger. Navigate confidently with the integrated navigation system and aerial view display, while safety technologies such as blind spot monitoring, lane departure warning, and front collision mitigation provide peace of mind on every journey. Convenience is elevated with power retractable running boards, an integrated tailgate step, and a bed liner that protects your cargo area. Whether tackling rugged terrain or city streets, the Sierra 3500HD Denali Ultimate combines luxury, technology, and brute strength to meet the demands of your lifestyle.