Introducing the 2025 GMC Sierra 3500HD Crew Cab Standard Box AT4, a truck that combines rugged performance with luxurious amenities. Finished in a commanding Onyx Black paint, the Sierra 3500HD features a sophisticated Jet Black & Kalahari Accent interior, making a bold statement both inside and out. At its core, the Sierra 3500HD is powered by a formidable 6.6L Duramax Turbo-Diesel engine, mated to a 10-speed automatic transmission for seamless power delivery and exceptional towing capabilities. Whether you're hauling heavy loads or navigating tough terrain, this powertrain is designed to handle it all with ease. The AT4 trim is equipped with a comprehensive trailering package that includes hitch view, trailer side blind zone alert, and a trailer brake controller to enhance towing safety and convenience. Additional safety features include rear cross traffic alert, HD surround vision, front and rear park assist, automatic emergency braking, forward collision alert, front pedestrian braking, and lane departure warning, ensuring you have a full suite of technologies to assist in various driving conditions. Inside, the Sierra 3500HD offers a host of premium features designed to provide maximum comfort and connectivity. The cabin is fitted with a 13.4 touchscreen featuring navigation, Bluetooth, Wireless Apple CarPlay, and Android Auto, keeping you seamlessly connected and entertained. The adaptive cruise control and heads-up display add to the high-tech experience, while wireless charging ensures your devices remain powered up. Comfort is paramount with heated and ventilated front seats, heated second-row seating, and a heated steering wheel, making every journey enjoyable regardless of the weather. The power sunroof, rear camera mirror, power sliding rear window, and 20 Black Aluminum wheels enhance both functionality and style. Rain-sensing wipers and the GMC Multipro Tailgate offer added convenience, while the power retractable assist steps ensure easy access to the truck's cabin. *AMVIC Licensed Dealer

• Onyx black
• 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.)
• Front Collision Warning
• AM/FM Stereo
• Tires - Rear All-Terrain
• LED Headlights
• Automatic Highbeams
• Smart Device Integration
• Bed Liner
• Bluetooth Connection
• Heated Mirrors
• Auxiliary Audio Input
• Privacy Glass
• Power Windows
• Conventional Spare Tire
• Auxiliary Audio Input
• Heated Front Seat(s)
• Daytime Running Lights
• Integrated Turn Signal Mirrors
• Lane Departure Warning
• Floor Mats
• Daytime Running Lights
• Integrated Tailgate Step
• Multi-Zone A/C
• Telematics
• Requires Subscription
• Auto-Dimming Rearview Mirror
• Tire Pressure Monitor
• Cooled Front Seat(s)
• Auxiliary Audio Input
• Traction Control
• Passenger Air Bag Sensor
• Front Side Air Bag
• Rear Defrost
• Rear Bench Seat
• Passenger Air Bag
• Front Collision Mitigation
• Satellite Radio
• Tire Pressure Monitor
• Front Collision Warning
• Requires Subscription
• Power Door Locks
• Seat Memory
• Driver Air Bag
• Telematics
• Bluetooth Connection
• Driver Restriction Features
• Heated Rear Seat(s)
• Requires Subscription
• Back-Up Camera
• Power Windows
• Lane Departure Warning
• Adjustable Steering Wheel
• Stability Control
• Daytime Running Lights
• MP3 Capability
• MP3 Capability

• Jet black with kalahari accents, perforated front leather seating surfaces
• Power Mirror(s)
• Keyless Start
• Intermittent Wipers
• Tow Hitch
• Running Boards/Side Steps
• Tow Hooks
• Four Wheel Drive
• Aluminum Wheels
• Power Steering
• Rain Sensing Wipers
• Fog Lamps
• Power Folding Mirrors
• Locking/Limited Slip Differential
• ABS
• Variable Speed Intermittent Wipers
• Requires Subscription
• Automatic Highbeams
• Navigation System
• Tires - Front All-Terrain
• Bluetooth Connection
• Front Collision Mitigation
• 4-Wheel Disc Brakes
• Mirror Memory
• Security System
• Blind Spot Monitor
• Heated Steering Wheel
• WiFi Hotspot
• Front Head Air Bag
• Keyless Start
• Front Collision Warning
• Leather Seats
• Cruise Control
• Climate Control
• Aerial View Display System
• Power Passenger Seat
• Back-Up Camera
• Smart Device Integration
• Rear Head Air Bag
• Premium Sound System
• Adaptive Cruise Control
• Heated Front Seat(s)
• Passenger Adjustable Lumbar
• Bucket Seats
• Floor Mats
• Keyless Entry
• Power Driver Seat
• Remote Engine Start
• Front Collision Mitigation
• Pass-Through Rear Seat
• Driver Adjustable Lumbar
• Power Door Locks
• Rear Parking Aid
• Steering Wheel Audio Controls
• Cross-Traffic Alert
• MP3 Capability