2026 GMC Sierra 3500HD AT4

• REAR AXLE 3.42 RATIO
• SNOW PLOW PREP/CAMPER PACKAGE includes (KW5) 220-amp alternator includes increased front GAWR on Heavy Duty models (NZZ) skid plates (transfer case and oil pan) pass through dash grommet hole and roof emergency light provisions. Contact GM Upfitter Integration at www.gmupfitter.com for plow installation details and assistance. Note: if ordered for Camper usage recommend ordering (UY2) Trailering wiring provisions (Includes (KW5) 220-amp alternator
• AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
• HIGH IDLE SWITCH
• UPFITTER SWITCH KIT (5) Provides 3-30 amp and 2-20 amp configurable circuits to facilitate installation of aftermarket electrical accessories. Kit with all required parts will be shipped loose with the truck for installation by the dealer or upfitter at customer expense. Installation instructions and technical assistance available at www.gmupfitter.com.
• SUNROOF POWER
• ENGINE DURAMAX 6.6L TURBO-DIESEL V8 B20-DIESEL COMPATIBLE (470 hp [350.5 kW] @ 2800 rpm 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
• TRANSMISSION 10-SPEED AUTOMATIC
• LPO ALL-WEATHER FLOOR LINERS 1ST AND 2ND ROWS (includes AT4 logo)
• COASTAL DUNE
• GOOSENECK / 5TH WHEEL PREP PACKAGE -- Hitch platform to accept Gooseneck or 5th Wheel hitch. Includes hitch platform with tray to accept ball stamped bed holes with removable caps installed and bed mounted 7-pin trailer harness (similar to UY2 harness).
• GVWR 12 100 LBS. (5488 KG) WITH SINGLE REAR WHEELS
• TECHNOLOGY PACKAGE includes (DRZ) Rear Camera Mirror and (UV6) Multicolour 15" Diagonal Head-Up Display
• AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote (A48) rear sliding power window and (U01) Roof Marker Lamps
• Heated Mirrors
• Tow Hooks
• Premium Sound System
• Front Collision Mitigation
• Passenger Air Bag Sensor
• Requires Subscription
• Power Passenger Seat
• Aerial View Display System
• Remote Engine Start
• MP3 Capability
• Power Windows
• AM/FM Stereo
• Power Door Locks
• Conventional Spare Tire
• Blind Spot Monitor
• Fog Lamps
• Rain Sensing Wipers
• Driver Restriction Features
• Bluetooth Connection
• Variable Speed Intermittent Wipers
• Rear Bench Seat
• Stability Control
• Passenger Adjustable Lumbar
• Rear Head Air Bag
• Heated Rear Seat(s)
• Tire Pressure Monitor
• Smart Device Integration
• Driver Air Bag
• Back-Up Camera
• Heated Steering Wheel
• Satellite Radio
• Bed Liner
• Security System
• Smart Device Integration
• Seat Memory
• Front Collision Warning
• Requires Subscription
• Tow Hitch
• Privacy Glass
• LED Headlights
• Floor Mats
• Power Steering
• Cross-Traffic Alert
• Aluminum Wheels
• Requires Subscription
• Steering Wheel Audio Controls
• 4-Wheel Disc Brakes
• Daytime Running Lights
• Passenger Air Bag
• Cruise Control
• Auto-Dimming Rearview Mirror
• Power Folding Mirrors
• Multi-Zone A/C
• Requires Subscription
• Keyless Start
• Front Head Air Bag
• Cooled Front Seat(s)
• Lane Departure Warning
• Bluetooth Connection
• Leather Seats
• ABS
• Adaptive Cruise Control
• Daytime Running Lights
• Tires - Front All-Terrain
• Floor Mats
• Front Collision Warning
• Lane Departure Warning
• Integrated Turn Signal Mirrors
• Auxiliary Audio Input
• Power Mirror(s)
• Pass-Through Rear Seat
• Bucket Seats
• Power Windows
• Integrated Tailgate Step
• Keyless Start
• Auxiliary Audio Input
• WiFi Hotspot
• Front Collision Mitigation
• Tire Pressure Monitor
• MP3 Capability
• Traction Control
• Locking/Limited Slip Differential
• Four Wheel Drive
• Tires - Rear All-Terrain
• Automatic Highbeams
• Climate Control
• MP3 Capability
• Auxiliary Audio Input
• Mirror Memory
• Driver Adjustable Lumbar
• Rear Parking Aid
• Telematics
• Heated Front Seat(s)
• Intermittent Wipers
• Navigation System
• Power Driver Seat
• Automatic Highbeams
• Daytime Running Lights
• Running Boards/Side Steps
• Back-Up Camera
• Adjustable Steering Wheel
• A/C
• Keyless Entry
• Bluetooth Connection
• Telematics
• Rear Defrost
• Front Collision Warning
• Power Door Locks
• Heated Front Seat(s)
• Front Side Air Bag
• Front Collision Mitigation

" * ENGINE DURAMAX 6.6L TURBO-DIESEL V8 * * HIGH IDLE SWITCH * * UPFITTER SWITCH KIT * Discover the ultimate blend of power and versatility with the GMC Sierra 3500HD AT4, an exceptional Crew Cab Pickup available right here in Fort St. John. This robust powerhouse is driven by the mighty Duramax 6.6L Turbo-Diesel V8 engine, delivering an impressive 470 horsepower and 975 lb-ft of torque, ensuring that no task is too daunting. The 10-speed automatic transmission provides smooth and seamless shifts, ensuring optimal performance whether you're towing, hauling, or simply cruising. Designed with the demanding driver in mind, this Sierra 3500HD comes equipped with a High Idle Switch, allowing you to increase the engine's idle speed for enhanced accessory performance. The Upfitter Switch Kit offers five configurable circuits, perfect for integrating aftermarket electrical accessories, making it easier than ever to customize your truck to suit your needs. The Sierra 3500HD also features the Snow Plow Prep/Camper Package, which includes essential components such as a 220-amp alternator and skid plates, preparing your truck for the harshest conditions. The AT4 Preferred Package adds convenience with a Universal Home Remote and a power sliding rear window, making this truck as comfortable as it is capable. With a focus on safety and technology, you'll enjoy the benefits of the Multicolour 15"" Diagonal Head-Up Display, Rear Camera Mirror, and a suite of driver assistance features like Front Collision Mitigation and Lane Departure Warning. All these features combine to create a vehicle that's not only powerful but also sophisticated and secure. "