Experience the 2026 GMC Sierra 1500 AT4 in Onyx Black, a diesel-powered 4x4 crew cab designed for power, comfort, and advanced safety on every drive.

This rugged yet refined truck features a turbocharged straight 6-cylinder diesel engine paired with a 10-speed automatic transmission with electronic precision shift, delivering smooth and responsive performance. The 4-wheel drive system includes a locking limited-slip differential, ensuring confident handling on diverse terrains. Aluminum wheels and 4-wheel disc brakes provide durability and stopping power, while tow hooks and a tow hitch prepare you for heavy-duty tasks.

Inside, the Sierra 1500 AT4 offers premium leather bucket seats with heating and cooling functions, plus adjustable lumbar support for both driver and passenger. Seat memory and power adjustments enhance comfort, while rear heated seats and a pass-through rear bench add versatility. The interior also boasts multi-zone climate control and a heated steering wheel for year-round comfort.

Safety is comprehensive with features like automatic high beams, blind spot monitoring, cross-traffic alert, lane departure warning, lane keeping assist, front collision mitigation and warning, driver monitoring, and multiple airbags. Convenience is elevated with keyless entry and start, remote engine start, power folding mirrors with memory, an aerial view display system, and a backup camera. The bed liner and integrated tailgate step make loading and unloading effortless, complemented by a generic sun/moonroof that brightens the cabin.

Dealer Rebates are not combinable with GM Purchase Programs. Freight & PDI, installed options and other fees included. See Dealer for details.