The 2026 GMC Sierra 1500 AT4 Crew Cab 4WD delivers uncompromising off-road capability paired with premium comfort and advanced technology. Finished in Onyx Black with a Jet Black and Kalahari interior, this AT4 is powered by the 6.2L Ecotec3 V8 and a 10-speed automatic transmission, making it a high-performance full-size pickup built for both rugged terrain and refined daily driving.Performance & CapabilitySerious power and off-road hardware designed for demanding conditions and confident towing.6.2L Ecotec3 V8 Engine10-Speed Automatic Transmission4WD with 2-Speed Autotrac Transfer CaseAutomatic Locking Rear DifferentialAT4 Off-Road Suspension with 2" Lift and Monotube ShocksSkid PlatesHill Descent ControlTrailer Brake ControllerIn-Vehicle Trailering App120V AC Power Outlets (Instrument Panel and Cargo Bed)Active Exhaust SystemInterior Comfort & ConvenienceA premium AT4 cabin built for long drives, rough roads, and everyday comfort.Heated and Ventilated Front Bucket SeatsHeated Second-Row Outboard Seats10-Way Power Front SeatsDriver Seat and Mirror MemoryHeated Leather-Wrapped Steering WheelPower Tilt and Telescoping Steering ColumnAdaptive Cruise ControlWireless ChargingBose Premium Sound SystemPremium Floor LinersTechnology & ConnectivityAdvanced displays and trailering technology keep you informed and connected.GMC Premium Infotainment System13.4" Diagonal Colour TouchscreenGoogle Built-In with Navigation CapabilityWireless Apple CarPlayWireless Android Auto12.3" Digital Driver Information CentreHead-Up DisplayRear Camera MirrorBed View CameraKeyless Open and Remote StartOnStar Basics (Up to 8 Years)SiriusXM Audio (Trial Included)Safety & Driver AssistanceComprehensive safety technology designed to support confidence on and off the road.GMC Pro SafetyAutomatic Emergency BrakingForward Collision AlertFront Pedestrian BrakingLane Keep Assist with Lane Departure WarningFollowing Distance IndicatorIntelliBeam Automatic High BeamsFront and Rear Park AssistTrailer Side Blind Zone AlertRear Cross Traffic BrakingRear Pedestrian AlertHD Surround VisionSafety Alert SeatTire Pressure Monitoring with Tire Fill AlertTeen Driver TechnologyExterior HighlightsBold AT4 styling paired with functional, trail-ready features.20" Machined Aluminum Wheels with Carbon Grey Metallic AccentsAll-Terrain TiresSpray-On BedlinerGMC MultiPro TailgateLED Cargo Area LightingPower Folding Heated Mirrors with Driver-Side Auto-DimmingLED Headlamps, Tail Lamps, and Fog LampsRain-Sensing WipersRear Window DefoggerPower SunroofOff-Road High-Clearance Steps2 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.