This 2025 GMC Sierra 1500 AT4X is powered by a 3.0L turbocharged Duramax inline-six diesel engine paired with a smooth automatic transmission, delivering impressive torque, strong efficiency, and excellent towing capability. With approximately 305 horsepower and 495 lb-ft of torque, this engine provides outstanding low-end pulling power and smooth acceleration, making it ideal for hauling, off-road driving, and long-distance use.
The AT4X trim represents the peak of off-road capability and luxury, featuring aggressive styling, a factory 2-inch lift, advanced off-road suspension with Multimatic DSSV dampers, and front and rear electronic locking differentials for maximum traction. Its bold exterior design and rugged enhancements give it a commanding presence both on and off the road.
Inside, the cabin offers a premium and tech-focused layout with high-end materials, leather-appointed seating, heated and ventilated seats, and a large touchscreen infotainment system with Bluetooth connectivity and smartphone integration. Designed for both comfort and adventure, the interior blends upscale refinement with durable, off-road-ready functionality.
Built for serious capability, the Sierra AT4X features a durable cargo bed, strong frame construction, and advanced off-road systems to handle tough terrain with confidence. With its efficient diesel performance, rugged styling, and luxurious interior, this Sierra 1500 AT4X delivers a top-tier full-size truck experience ready for work, exploration, and everyday driving.
Peter Smith Chevrolet Buick Cadillac GMC located in Belleville on Highway #62 just 1km North of the 401.
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Visit us at - www.petersmithgm.com
View Cadillac at - www.petersmithcadillac.com
(613) 968 - 6767
42 Towncentre Drive, Belleville, ON K8N 4Z5

Engine: Turbocharged Diesel I6 3.0L/183