Finished in Coastal Dune with a Jet Black and Kalahari interior, this 2026 GMC Sierra 1500 AT4 blends premium craftsmanship with serious off-road capability. Powered by the legendary Duramax 3.0L Turbo-Diesel engine and equipped with the AT4 Premium Package and Technology Package, this truck is built to conquer rugged terrain while surrounding you with comfort, technology, and refinement.The efficient Duramax 3.0L Turbo-Diesel is paired with a smooth 10-speed automatic transmission, delivering exceptional torque, outstanding towing confidence, and remarkable fuel economy. With a factory 2-inch suspension lift, Autotrac 2-speed transfer case, skid plates, and monotube shocks, the Sierra AT4 is ready for wherever your next adventure takes you.Performance & Capability• Duramax 3.0L Turbo-Diesel engine • 10-speed automatic transmission • Four-wheel drive (4WD) • Factory 2" AT4 off-road suspension lift • Monotube off-road shocks • Autotrac 2-speed transfer case • Automatic locking rear differential • Skid plates • Hill Descent Control • Integrated trailer brake controller • In-Vehicle Trailering App • 120V power outlets in the cab and cargo bedInterior Comfort & Convenience• Heated and ventilated front bucket seats • Heated rear outboard seats • 10-way power front seats • Driver seat and mirror memory • Heated leather-wrapped steering wheel • Power tilt and telescoping steering column • Wireless phone charging • Adaptive Cruise Control • Power sunroof • Rear power sliding window • Universal Home Remote • Premium all-weather floor linersTechnology & Connectivity• GMC Premium Infotainment System with 13.4" touchscreen • Google Built-In with navigation capability • Wireless Apple CarPlay & Android Auto • 12.3" digital Driver Information Centre • Bose premium audio system • Bluetooth connectivity • SiriusXM with 3-year subscription • OnStar Basics connected services • 15" multicolour Head-Up Display • Rear Camera Mirror • Bed View Camera • Keyless Open and Remote StartSafety & Driver Assistance• HD Surround Vision • Automatic Emergency Braking • Forward Collision Alert • Front Pedestrian Braking • Lane Keep Assist with Lane Departure Warning • Trailer Side Blind Zone Alert • Rear Cross Traffic Braking • Rear Pedestrian Alert • Front and Rear Park Assist • Following Distance Indicator • Safety Alert Seat • IntelliBeam automatic high beams • Teen Driver technologyExterior Highlights• Coastal Dune exterior finish • 20" machined aluminum wheels with Carbon Grey Metallic accents • Goodyear Wrangler Territory MT tires • GMC MultiPro Tailgate • Spray-on bedliner • LED cargo box lighting • LED headlamps, fog lamps, and taillamps • Power-folding heated mirrors with driver-side auto-dimming • Rain-sensing windshield wipers • Off-road high-clearance assist stepsThe 2026 GMC Sierra 1500 AT4 is built for drivers who demand premium luxury, exceptional diesel performance, and uncompromising off-road capability. From challenging backcountry trails to towing your weekend toys, this truck is engineered to do it all with confidence.2 Year/24,000 kilometer* Complimentary Oil Changes (2 total) 3 Year/60,000 kilometer* Base Warranty Coverage5 Year/100,000 kilometer* Powertrain Component Warranty Coverage5 Year/100,000 kilometer* Courtesy Transportation and 24/7 Roadside Assistance6 Year/160,000 kilometer* Sheet Metal (Rust Through) Perforation Warranty Coverage*Whichever Comes First.Price Includes HD Flaps & 6” Tube Steps. Price Includes Dealer Fee.Price Excludes PST & GST.Financing Options Available, Call For More Details. *While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any error or omissions contained on these pages. Please verify any information in question with Chapman Motors Ltd.