New 2026 GMC Sierra 1500

Experience the power and sophistication of the 2026 GMC Sierra 1500 AT4 Diesel Crew Cab, designed for rugged capability and advanced technology on every drive.

This new 4x4 pickup is equipped with a robust Duramax 3.0L turbo-diesel inline six-cylinder engine, delivering 305 horsepower and an impressive 495 lb-ft of torque, paired with a smooth 10-speed automatic transmission featuring electronic precision shift and paddle shifters. The Sierra 1500 AT4 stands out with its off-road high clearance steps and integrated tailgate step, making access easier in challenging terrain. The truck rides on aluminum wheels and includes a bed liner for added durability.

Inside, enjoy premium comfort with heated and cooled leather bucket seats, power-adjustable driver and passenger seats with lumbar support, and seat memory functions. The cabin is enhanced by a multicolour 15-inch diagonal head-up display and a rear camera mirror, providing superior situational awareness. Safety is comprehensive, featuring automatic high beams, blind spot monitoring, lane keeping assist, front collision mitigation, and cross-traffic alert.

Additional features include a premium sound system, Bluetooth connectivity, keyless entry and start, remote engine start, and all-weather floor liners with the AT4 logo. Black GMC emblems and Sierra nameplates add a bold, distinctive look to this capable and stylish pickup.