Rugged, capable, and adventure-ready, the 2021 GMC Sierra 1500 AT4 is a full-size pickup that blends strong performance with off-road capability. Powered by a 5.3 L V8 engine paired with an automatic transmission, it delivers reliable power, confident acceleration, and capable towing for work, recreation, or everyday driving.The AT4 trim enhances off-road performance with features like a factory suspension lift, all-terrain tires, skid plates, and an electronically locking rear differential --- helping improve traction and control on rough terrain or unpaved trails.Inside, the cabin offers a balance of comfort and utility with cloth or available leather-appointed seats, a power-adjustable driver's seat, dual-zone automatic climate control, and a spacious layout that accommodates passengers easily. The rear seat folds to provide additional storage space when needed.Technology features include a touchscreen infotainment system with smartphone integration, Bluetooth connectivity, multiple USB ports, and a rear-view camera --- providing convenience and connected driving.On the exterior, bold alloy wheels, distinctive AT4 badging, LED lighting, and rugged body-colour accents give the Sierra a capable and confident look. The cargo bed includes tie-down points and is built to handle gear, tools, or materials with ease.Safety features include electronic stability control, traction control, anti-lock brakes, and a full set of airbags --- helping provide protection and confidence on all types of drives.With its V8 power, off-road enhancements, and practical interior, the 2021 GMC Sierra 1500 AT4 delivers a versatile and dependable full-size truck experience. Peter Smith Chevrolet Buick Cadillac GMC located in Belleville on Highway #62 just 1km North of the 401. - Visit us at - www.petersmithgm.com View Cadillac at - www.petersmithcadillac.com (613) 968 - 6767 42 Towncentre Drive, Belleville, ON K8N 4Z5
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