Craving power coupled with the ruggedness to tackle any terrain? The 2026 GMC Sierra 3500HD AT4, cloaked in its Onyx Black exterior with a Black interior boasting Kalahari accents, might just be your match. This heavy-duty champion is powered by a colossal Duramax 6.6L Turbo-Diesel V8 engine, ready to unleash 470 hp and a tremendous 975 lb-ft of torque, teamed with a seamless 10-speed automatic transmission.

Optimized for the outdoors, this Sierra 3500HD AT4 comes with the robust Gooseneck/5th Wheel Prep Package, ensuring you're hitch-ready for demanding towing duties. Plus, the high idle switch enables you to manage your vehicle's power supply effortlessly, customizing it to your specific work needs or conditions. With a GVWR of 12,100 lbs, this GMC is built to shoulder your heaviest loads.

Step inside, and you're greeted by perforated front leather seating surfaces that offer both heated and cooled comfort, refining your ride irrespective of the weather. The LPO Off-Road High Clearance Step, a dealer-installed gem, enhances accessibility while preserving the AT4's bold stance. With the inclusion of the AT4 Premium Plus Package, you gain an array of additional features including a power sunroof for those days when you crave a touch of the sky as you drive.

For safety and convenience, this Sierra is equipped with an array of driver assists, like Front Collision Mitigation, Blind Spot Monitor, and Rear Parking Aid, supplemented by a HD Surround Vision System and Adaptive Cruise Control to reduce driving fatigue. Rain Sensing Wipers and Automatic Highbeams adjust to changing conditions, while the Heated Steering Wheel offers warmth on cooler days. With the added luxury of premium sound and full navigation, you're set for both work and pleasure.

Embark confidently on your next adventure with a 4x4 that defines capability. Are you ready to take the lead with this formidable machine? Stock # T4168808.

AMVIC-licensed Dealer.

• Onyx black
• TIRES LT275/65R20 E 126/123 BF GOODRICH OFF-ROAD T/A KO3
• AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
• REAR AXLE 3.42 RATIO
• 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).
• AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) Off-Road High Clearance step LPO
• 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.)
• Tow Hooks
• Front Collision Mitigation
• Requires Subscription
• Aerial View Display System
• MP3 Capability
• AM/FM Stereo
• Conventional Spare Tire
• Fog Lamps
• Driver Restriction Features
• Variable Speed Intermittent Wipers
• Stability Control
• Rear Head Air Bag
• Tire Pressure Monitor
• Driver Air Bag
• Heated Steering Wheel
• Bed Liner
• Smart Device Integration
• Front Collision Warning
• Tow Hitch
• LED Headlights
• Power Steering
• Aluminum Wheels
• Steering Wheel Audio Controls
• Daytime Running Lights
• Cruise Control
• Power Folding Mirrors
• Requires Subscription
• Front Head Air Bag
• Lane Departure Warning
• Leather Seats
• Adaptive Cruise Control
• Tires - Front All-Terrain
• Front Collision Warning
• Integrated Turn Signal Mirrors
• Power Mirror(s)
• Bucket Seats
• Integrated Tailgate Step
• Auxiliary Audio Input
• Front Collision Mitigation
• MP3 Capability
• Locking/Limited Slip Differential
• Tires - Rear All-Terrain
• Climate Control
• Auxiliary Audio Input
• Driver Adjustable Lumbar
• Telematics
• Intermittent Wipers
• Power Driver Seat
• Daytime Running Lights
• Back-Up Camera
• Keyless Entry
• Telematics
• Front Collision Warning
• Heated Front Seat(s)
• Front Collision Mitigation

• Jet black with kalahari accents, perforated front leather seating surfaces
• HIGH IDLE SWITCH
• TRANSMISSION 10-SPEED AUTOMATIC
• GVWR 12 100 LBS. (5488 KG) WITH SINGLE REAR WHEELS
• 3 YEARS SIRIUSXM
• LPO OFF-ROAD HIGH CLEARANCE STEP (dealer-installed)
• Heated Mirrors
• Premium Sound System
• Passenger Air Bag Sensor
• Power Passenger Seat
• Remote Engine Start
• Power Windows
• Power Door Locks
• Blind Spot Monitor
• Rain Sensing Wipers
• Bluetooth Connection
• Rear Bench Seat
• Passenger Adjustable Lumbar
• Heated Rear Seat(s)
• Smart Device Integration
• Back-Up Camera
• Satellite Radio
• Security System
• Seat Memory
• Requires Subscription
• Privacy Glass
• Floor Mats
• Cross-Traffic Alert
• Requires Subscription
• 4-Wheel Disc Brakes
• Passenger Air Bag
• Auto-Dimming Rearview Mirror
• Multi-Zone A/C
• Keyless Start
• Cooled Front Seat(s)
• Bluetooth Connection
• ABS
• Daytime Running Lights
• Floor Mats
• Lane Departure Warning
• Auxiliary Audio Input
• Pass-Through Rear Seat
• Power Windows
• Keyless Start
• WiFi Hotspot
• Tire Pressure Monitor
• Traction Control
• Four Wheel Drive
• Automatic Highbeams
• MP3 Capability
• Mirror Memory
• Rear Parking Aid
• Heated Front Seat(s)
• Navigation System
• Automatic Highbeams
• Running Boards/Side Steps
• Adjustable Steering Wheel
• Bluetooth Connection
• Rear Defrost
• Power Door Locks
• Front Side Air Bag