Finished in Summit White with a Jet Black and Kalahari interior, this 2026 GMC Sierra 1500 AT4 combines premium luxury with uncompromising off-road capability. Powered by the efficient Duramax 3.0L Turbo-Diesel engine and equipped with the AT4 Premium and Technology Packages, this Sierra is engineered to tackle tough terrain while delivering exceptional comfort, advanced technology, and impressive towing capability.

Under the hood, the legendary Duramax 3.0L Turbo-Diesel is paired with a smooth 10-speed automatic transmission, delivering outstanding torque, excellent fuel efficiency, and confident towing performance. With a factory 2-inch suspension lift, Autotrac 2-speed transfer case, monotube shocks, and skid plates, the AT4 is built to go wherever the road or trail leads.

Duramax 3.0L Turbo-Diesel engine 10-speed automatic transmission Four-wheel drive (4WD) Autotrac 2-speed transfer case Factory 2" off-road suspension lift with monotube shocks 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 bed Trailering capability

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 Remote vehicle start Rear sliding power window Premium floor liners Universal Home Remote Power sunroof

GMC Premium Infotainment System with 13.4" touchscreen Google Built-In compatibility with navigation 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 Bed View Camera Rear Camera Mirror 15" Head-Up Display

Adaptive Cruise Control HD Surround Vision Forward Collision Alert Automatic Emergency Braking 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 technology

Summit White exterior 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 steps

Whether you're towing, exploring remote trails, or enjoying the comfort of a premium truck on the highway, the 2026 Sierra 1500 AT4 delivers exceptional diesel performance, advanced technology, and rugged capability in one impressive package.

2 Year/24,000 kilometer* Complimentary Oil Changes (2 total)

3 Year/60,000 kilometer* Base Warranty Coverage

5 Year/100,000 kilometer* Powertrain Component Warranty Coverage

5 Year/100,000 kilometer* Courtesy Transportation and 24/7 Roadside Assistance

6 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.