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
• LICENSE PLATE KIT FRONT
• 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)
• 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 12 250 LBS. (5557 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
• Aluminum Wheels
• Multi-Zone A/C
• Adjustable Steering Wheel
• 4-Wheel Disc Brakes
• Tow Hitch
• Power Windows
• Daytime Running Lights
• Rear Defrost
• Lane Departure Warning
• Power Mirror(s)
• Auxiliary Audio Input
• Mirror Memory
• Passenger Adjustable Lumbar
• Floor Mats
• Power Folding Mirrors
• Auxiliary Audio Input
• Keyless Start
• Bucket Seats
• Cross-Traffic Alert
• Telematics
• Automatic Highbeams
• Tire Pressure Monitor
• WiFi Hotspot
• Security System
• Requires Subscription
• Driver Adjustable Lumbar
• Requires Subscription
• Cruise Control
• Pass-Through Rear Seat
• Floor Mats
• Heated Steering Wheel
• Integrated Turn Signal Mirrors
• Satellite Radio
• Front Collision Warning
• Tires - Rear All-Terrain
• Rear Bench Seat
• Four Wheel Drive
• Daytime Running Lights
• Stability Control
• Power Steering
• Front Side Air Bag
• Keyless Start
• Locking/Limited Slip Differential
• Adaptive Cruise Control
• Remote Engine Start
• Daytime Running Lights
• MP3 Capability
• Bluetooth Connection
• Driver Air Bag
• Power Door Locks
• Heated Front Seat(s)
• Integrated Tailgate Step
• Auxiliary Audio Input
• Running Boards/Side Steps
• Front Head Air Bag
• Power Windows
• Rear Head Air Bag
• Requires Subscription
• Bluetooth Connection
• Tire Pressure Monitor
• Lane Departure Warning
• Traction Control
• Premium Sound System
• Aerial View Display System
• Tires - Front All-Terrain
• MP3 Capability
• Requires Subscription
• Back-Up Camera
• AM/FM Stereo
• Variable Speed Intermittent Wipers
• Back-Up Camera
• Steering Wheel Audio Controls
• Intermittent Wipers
• Telematics
• Seat Memory
• Passenger Air Bag Sensor
• Front Collision Mitigation
• Heated Mirrors
• Heated Rear Seat(s)
• Heated Front Seat(s)
• Front Collision Mitigation
• MP3 Capability
• Rear Parking Aid
• Bluetooth Connection
• Conventional Spare Tire
• Privacy Glass
• Rain Sensing Wipers
• Front Collision Mitigation
• Front Collision Warning
• Climate Control
• A/C
• Bed Liner
• Smart Device Integration
• Front Collision Warning
• Leather Seats
• Automatic Highbeams
• Tow Hooks
• Blind Spot Monitor
• Smart Device Integration
• Power Door Locks
• Power Passenger Seat
• LED Headlights
• Fog Lamps
• Navigation System
• Auto-Dimming Rearview Mirror
• Keyless Entry
• Passenger Air Bag
• Power Driver Seat
• ABS
• Driver Restriction Features
• Cooled Front Seat(s)

" * ENGINE DURAMAX 6.6L TURBO-DIESEL V8 * * TRANSMISSION 10-SPEED AUTOMATIC * * TECHNOLOGY PACKAGE * Experience the power and versatility of the 2026 GMC Sierra 3500HD AT4, perfectly suited for the demands of Fort St. John living. This Crew Cab Pickup is equipped with the mighty Duramax 6.6L Turbo-Diesel V8 engine, delivering an impressive 470 horsepower and 975 lb-ft of torque, ensuring you have the strength to tackle any job with ease. The 10-speed automatic transmission provides smooth, responsive shifts, enhancing your driving experience on every journey. And with the advanced Technology Package, you'll enjoy features like the Rear Camera Mirror and a Multicolour 15"" Diagonal Head-Up Display, keeping you informed and connected on the road. Designed for both work and play, this Sierra offers the Snow Plow Prep/Camper Package, which includes skid plates and increased front GAWR on Heavy Duty models, making it ideal for those frosty Fort St. John winters. The power sunroof adds a touch of luxury, allowing you to enjoy the great outdoors even when you're on the move. "