Built for those who demand power, precision, and premium comfort in every drive, the 2025 GMC Sierra 3500HD AT4 Crew Cab Long Bed is the ultimate workhorse with refined capability.

This Summit White Sierra 3500HD is equipped with a robust 6.6L V8 gasoline engine featuring direct injection and variable valve timing, paired with an advanced Allison 10-speed automatic transmission. Its 4x4 drivetrain and locking limited-slip differential ensure confident handling and traction in the toughest conditions, whether hauling heavy loads or navigating rugged terrain. The integrated tailgate step and bed liner enhance utility, making loading and unloading tools or gear effortless.

Inside, the cabin combines durability with luxury, boasting leather bucket seats that are both heated and cooled, with adjustable lumbar support and memory settings for driver and passenger. The multi-zone climate control and heated steering wheel add to all-season comfort. Advanced safety technologies such as blind spot monitoring, cross-traffic alert, front collision mitigation, and lane departure warning provide peace of mind on every journey.

Additional features like the aerial view display system, adaptive cruise control, remote engine start, and power folding mirrors make this truck as smart as it is strong. For professionals who require a reliable, capable, and comfortable truck, the Sierra 3500HD AT4 delivers uncompromising performance every kilometre of the way.