
2026 GMC Sierra 3500HD AT4
Est. $1,662/mo with financing
Vehicle Specifications
- Stock #
- 23085
- VIN
- 1GT4UVEY2TF379019
- Year
- 2026
- Make
- GMC
- Model
- Sierra 3500HD
- Trim
- AT4
- Body Style
- Crew Cab Pickup
- Exterior Color
- Black
- Interior Color
- Black With Kalahari Accents
- Mileage
- 10 miles
- Engine
- Turbocharged Diesel V8 6.6L/
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Fuel Type
- Diesel
Features & Options
- 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 BODY COLOUR WHEEL ARCH MOULDINGS (dealer-installed)
- ASSIST HANDLE SIDE (bed mounted; fold out grab handle for extra support)
- LPO BLACK BADGING PACKAGE (dealer-installed) includes (SFZ) Black GMC emblems LPO and (RIK) Black Sierra Nameplates LPO.
- 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
- LPO BLACK GMC EMBLEMS (dealer-installed)
- 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)
Description
" * SUNROOF POWER * * ENGINE DURAMAX 6.6L TURBO-DIESEL V8 * * TRANSMISSION 10-SPEED AUTOMATIC * Experience the power and versatility of the 2026 GMC Sierra 3500HD AT4, now available in Fort St. John. This rugged crew cab pickup is designed for those who demand the best in performance and functionality. Its impressive *Duramax 6.6L Turbo-Diesel V8* engine delivers a phenomenal 470 horsepower and 975 lb-ft of torque, ensuring you're ready for any challenge on the road or the worksite. Paired with a seamless *10-speed automatic transmission*, this Sierra offers smooth gear shifts and exceptional towing capabilities. This model is equipped with a *power sunroof*, adding a touch of luxury and allowing you to enjoy the open skies during your drive. The Sierra 3500HD AT4 also includes a comprehensive array of features such as a Technology Package with a multicolour 15"" diagonal head-up display and rear camera mirror. The AT4 Preferred Package offers convenient features like a universal home remote and rear sliding power window, enhancing both comfort and utility. The Snow Plow Prep/Camper Package prepares this truck for any adventure, while the Gooseneck/5th Wheel Prep Package ensures you're set for heavy-duty towing. Advanced safety features such as lane departure warning, adaptive cruise control, and a comprehensive suite of collision warnings provide peace of mind on every journey. The interior is crafted for comfort with leather seats, heated front seats, and a heated steering wheel, making every drive enjoyable. "



