Experience the power and precision of the 2026 GMC Sierra 3500HD Denali in Onyx Black, engineered for those who demand uncompromising capability and luxury.

Built to tackle the toughest jobs, this heavy-duty diesel truck features a turbocharged 8-cylinder engine paired with a smooth 10-speed automatic transmission and dual rear wheels, delivering exceptional towing and payload capacity. The 4x4 drivetrain with locking limited-slip differential ensures superior traction on any terrain, while the integrated tow hooks and bed liner protect your investment during heavy hauling. The Denali trim adds premium touches like power retractable running boards and an integrated tailgate step, making access effortless.

Inside, the crew cab offers heated and cooled leather bucket seats with adjustable lumbar support and memory settings for both driver and passenger, ensuring comfort during long hauls. Advanced safety technologies such as blind spot monitoring, front collision mitigation, lane departure warning, and an aerial view display system keep you confident on the road. The premium sound system and smart device integration keep you connected, while remote engine start and keyless entry add convenience.

With aluminum wheels wrapped in all-terrain tires and LED headlights enhancing visibility, the Sierra 3500HD Denali is the ultimate partner for professionals who demand strength, sophistication, and reliability in every drive.