2023 GMC Sierra 1500

2023 GMC Sierra 1500 AT4 Crew Cab 4WD | Duramax 3.0L Turbo Diesel, Technology Package, and Premium Off-Road Capability

If you’re searching for a used GMC Sierra AT4 for sale in Ontario, a Duramax diesel truck near Bancroft, a premium off-road pickup with luxury features, or a fuel-efficient half-ton truck that can tow, haul, and explore with confidence, this 2023 GMC Sierra 1500 AT4 is exactly what truck buyers are looking for.

Finished in Onyx Black with the sought-after Jet Black and Kalahari interior, this Sierra AT4 combines rugged off-road capability with premium comfort and advanced technology. Under the hood is the highly desirable Duramax 3.0L Turbo-Diesel engine paired with a 10-speed automatic transmission, delivering impressive torque, outstanding highway fuel economy, and exceptional towing capability. With fuel consumption rated as low as 10.2 L/100 km highway, this is one of the most efficient full-size pickup trucks available.

One of the biggest reasons buyers search for the GMC AT4 is its factory-built off-road capability. Equipped with the X31 Off-Road Package, a factory 2-inch suspension lift, monotube shocks, skid plates, hill descent control, Autotrac 2-speed transfer case, and locking rear differential, this truck is ready for everything from Ontario winters and cottage roads to job sites and backcountry adventures.

Inside, the AT4 delivers a premium driving experience. Heated and ventilated front bucket seats, heated rear outboard seats, driver memory settings, a heated steering wheel, premium floor liners, dual-zone automatic climate control, wireless charging, power-adjustable steering column, and remote start create a cabin that is both rugged and luxurious.

Technology is another major highlight. The massive 13.4-inch touchscreen with Google Built-In, wireless Apple CarPlay, wireless Android Auto, Bose Premium Audio, navigation capability, Wi-Fi hotspot capability, and the fully digital 12.3-inch driver information centre keep drivers connected wherever the road leads.

This truck is further equipped with the Technology Package, adding a 15-inch Head-Up Display, Rear Camera Mirror, and Bed View Camera. The AT4 Preferred Package adds Adaptive Cruise Control, a power sliding rear window, and Universal Home Remote, features that many shoppers actively seek when comparing premium trucks.

For towing and hauling, the Sierra AT4 includes the factory trailering package, integrated trailer brake controller, trailer side blind zone alert, HD Surround Vision, in-vehicle trailering app, MultiPro Tailgate, spray-on bedliner, and a 120-volt power outlet in both the bed and cabin.

Safety remains a top priority with Automatic Emergency Braking, Forward Collision Alert, Lane Keep Assist, Front and Rear Park Assist, Rear Cross Traffic Braking, Rear Pedestrian Alert, Safety Alert Seat, HD Surround Vision, Trailer Side Blind Zone Alert, and Adaptive Cruise Control.

Whether you’re looking for a diesel pickup for towing, a premium off-road truck for cottage country, a comfortable daily driver, or one of the most capable GMC half-ton trucks available, this 2023 Sierra 1500 AT4 delivers the perfect balance of capability, efficiency, luxury, and technology.

Top Features

Duramax 3.0L Turbo-Diesel Engine 10-Speed Automatic Transmission X31 Off-Road Package Factory 2-Inch Lift Adaptive Cruise Control 15-Inch Head-Up Display Bed View Camera HD Surround Vision Bose Premium Audio System Heated & Ventilated Front Seats Heated Rear Seats Wireless Apple CarPlay Wireless Android Auto MultiPro Tailgate Spray-On Bedliner