Basics
Condition
Interior Color
Exterior Color
Drivetrain
Transmission
Fuel
Engine
VIN
Stock Number
Odometer Reading
Features
Seller's Comments
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.comView Cadillac at - www.petersmithcadillac.com(613) 968 - 676742 Towncentre Drive, Belleville, ON K8N 4Z5
View More42 Towncentre Dr
Belleville, Ontario K8N 4Z5
(855) 618-1968
Looking for someone to work with?
View salespeople at this dealershipSimilar Vehicles
DealerRater Disclaimer: The information on vehicles provided in this service is supplied by the seller or other third parties; DealerRater is not responsible for the accuracy of such information. DealerRater provides this service and materials without representations or warranties of any kind, either expressed or implied.
Click here for more details.

