Experience unmatched capability and rugged sophistication with the 2026 GMC Sierra 2500HD AT4 in striking Onyx Black, designed for drivers who demand power and precision in every journey.

Built to conquer the toughest tasks, the Sierra 2500HD AT4 boasts a turbocharged 8-cylinder diesel engine paired with a smooth 10-speed automatic transmission and advanced 4x4 drivetrain. Whether towing heavy loads or navigating challenging terrain, its locking limited-slip differential and robust tow hitch ensure confidence and control. The integrated tailgate step and durable bed liner add practical convenience for loading and unloading gear, while running boards provide easy access to the spacious crew cab.

Inside, premium leather bucket seats with heating, cooling, and adjustable lumbar support offer exceptional comfort for long hauls. Memory settings for driver and passenger seats, along with heated rear seats, create a personalised and inviting environment. The advanced aerial view display system and blind spot monitoring with cross-traffic alert enhance safety and awareness, complemented by adaptive cruise control and lane departure warning for relaxed highway driving.

Equipped with remote engine start, keyless entry, and a premium sound system, this Sierra blends rugged utility with modern technology, making it the ideal companion for professionals and enthusiasts who demand more from their truck.