Experience the power and capability of the 2026 GMC Sierra 2500HD AT4 in Titanium Rush Metallic, designed for demanding work and rugged adventures with advanced diesel performance.

This 4x4 crew cab pickup features a robust turbocharged 8-cylinder diesel engine paired with a smooth 10-speed automatic transmission, delivering exceptional towing and hauling strength. The Sierra 2500HD AT4 is equipped with a locking limited-slip differential and tow hooks, ensuring confident traction and control on any terrain. Aluminum wheels complement the rugged exterior, which includes running boards, a bed liner, and an integrated tailgate step for easy access to the standard bed.

Inside, enjoy premium comfort with leather bucket seats that are heated and cooled up front, plus heated rear seats. Both driver and passenger benefit from adjustable lumbar support and power seats with memory settings. The cabin also offers a sun/moonroof and a sliding rear window for added ventilation. Safety is comprehensive, featuring automatic high beams, blind spot monitoring, cross-traffic alert, front collision mitigation and warning, lane departure warning, and multiple airbags. Additional convenience comes from keyless entry and start, an aerial view display system, adaptive cruise control, and a premium sound system with Bluetooth connectivity.

The 2026 GMC Sierra 2500HD AT4 is built to meet the toughest demands with comfort and advanced technology for the discerning driver.