* Power Sunroof * Rear Camera Mirror * Head-Up Display * Power Retractable Assist Steps * Gooseneck/5th Wheel Prep Pkg * Adaptive Cruise * Heated/Ventilated Front Seats * Heated Second Row Seats *

Unlock the full potential of rugged luxury with the new 2026 GMC Sierra 3500HD AT4, a standout in Onyx Black with a sleek Jet Black interior with Kalahari accents. Under the hood, the robust Duramax 6.6L Turbo-Diesel V8 engine delivers a powerful 470 hp and 975 lb-ft of torque, paired with a seamless 10-speed automatic transmission. This vehicle is not just about power; it's also about sophistication.

Enjoy premium features like heated and ventilated front seats, a power sunroof, and a high-calibre entertainment system with satellite radio and Bluetooth connectivity. Safety and technology are paramount with front collision alert, the HD Surround Vision system, and adaptive cruise control enhancing your driving confidence.

Functional elegance reigns with power-retractable assist steps that include LED lighting, complemented by the practicality of a Gooseneck/5th wheel prep pkg. For off-road adventures, the AT4 Premium Plus Pkg adds 20 Goodrich off-road tires and power retractable assist steps with LED lighting that underscores this model's readiness for any challenge.

This Sierra 3500HD AT4 isn't just built to perform it's designed to impress and equipped to handle anything.

Stock # T4249063
AMVIC Licensed Dealer.

• Onyx black
• TIRES LT275/65R20 E 126/123 BF GOODRICH OFF-ROAD T/A KO3
• TRANSMISSION 10-SPEED AUTOMATIC
• GVWR 12 100 LBS. (5488 KG) WITH SINGLE REAR WHEELS
• 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).
• 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
• AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
• REAR AXLE 3.42 RATIO
• ASSIST STEPS POWER-RETRACTABLE BLACK includes LED lighting
• AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) Off-Road High Clearance step LPO
• 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