2026 GMC Sierra 2500HD AT4 AT4-Diesel-5th Wheel Prep Package-Sunroof-Ventilated/Cooled Seats-Heated Steering Wheel

• TRANSMISSION 10-SPEED AUTOMATIC
• JET BLACK WITH KALAHARI ACCENTS PERFORATED FRONT LEATHER SEAT TRIM
• 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.)
• LPO OFF-ROAD HIGH CLEARANCE STEPS (dealer-installed)
• 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 PREFERRED EQUIPMENT GROUP includes standard equipment
• LOWERED GVWR 9900 LBS. (4490 KG) LOWERS GVWR AND SIGNIFICANTLY DECREASES TOWING AND/OR PAYLOAD RATINGS
• REAR AXLE 3.42 RATIO
• AT4 PREMIUM PLUS PACKAGE includes (PDO) AT4 Preferred Package (CF5) power sunroof (CWM) Technology Package and (VXW) AT4 high clearance step LPO
• ONYX BLACK
• Tow Hooks
• Aerial View Display System
• Blind Spot Monitor
• Smart Device Integration
• Heated Mirrors
• Power Door Locks
• 4-Wheel Disc Brakes
• Adjustable Steering Wheel
• Aluminum Wheels
• Passenger Air Bag Sensor
• Front Collision Warning
• Keyless Entry
• Tow Hitch
• Auto-Dimming Rearview Mirror
• Power Windows
• Rear Bench Seat
• MP3 Capability
• Back-Up Camera
• Rear Head Air Bag
• WiFi Hotspot
• Driver Adjustable Lumbar
• Rear Defrost
• AM/FM Stereo
• Requires Subscription
• Mirror Memory
• Bluetooth Connection
• Power Driver Seat
• Power Windows
• Heated Rear Seat(s)
• Steering Wheel Audio Controls
• Integrated Tailgate Step
• Requires Subscription
• Lane Departure Warning
• Multi-Zone A/C
• Keyless Start
• Heated Steering Wheel
• Climate Control
• Locking/Limited Slip Differential
• Front Collision Mitigation
• Conventional Spare Tire
• Fog Lamps
• Power Folding Mirrors
• Telematics
• Cruise Control
• Daytime Running Lights
• Keyless Start
• Automatic Highbeams
• Front Collision Mitigation
• Front Collision Mitigation
• Front Collision Warning
• Premium Sound System
• Stability Control
• Lane Departure Warning
• Automatic Highbeams
• Front Collision Warning
• Power Passenger Seat
• Auxiliary Audio Input
• Heated Front Seat(s)
• Requires Subscription
• ABS
• Passenger Air Bag
• Driver Air Bag
• Adaptive Cruise Control
• MP3 Capability
• Daytime Running Lights
• Power Mirror(s)
• Auxiliary Audio Input
• Integrated Turn Signal Mirrors
• Rear Parking Aid
• Security System
• Leather Seats
• Remote Engine Start
• Power Door Locks
• Front Side Air Bag
• Satellite Radio
• Floor Mats
• Four Wheel Drive
• Variable Speed Intermittent Wipers
• Rain Sensing Wipers
• Requires Subscription
• Navigation System
• A/C
• Bluetooth Connection
• Floor Mats
• Tires - Rear All-Terrain
• Driver Restriction Features
• Bluetooth Connection
• Cooled Front Seat(s)
• Privacy Glass
• Pass-Through Rear Seat
• Seat Memory
• Intermittent Wipers
• Front Head Air Bag
• Smart Device Integration
• Passenger Adjustable Lumbar
• Tire Pressure Monitor
• Daytime Running Lights
• Telematics
• Traction Control
• MP3 Capability
• Power Windows
• Bucket Seats
• Cross-Traffic Alert
• Heated Front Seat(s)
• Auxiliary Audio Input
• Power Steering
• Bed Liner
• Back-Up Camera
• Tires - Front All-Terrain

Sunroof, Ventilated/Cooled Seats, Heated Steering Wheel, Off-Road High Clearance Steps, Gooseneck / 5th Wheel Prep Package, Aerial View Display System, Blind Spot Monitor. Looking for a robust pickup that offers both power and luxury? The 2026 GMC Sierra 2500HD AT4 is equipped to exceed expectations with its impressive array of features. Experience the convenience of a power sunroof, ventilated and cooled seats that offer comfort in any weather, and a heated steering wheel for those colder days. This AT4 trim stands out with its Off-Road High Clearance Steps, making it ideal for adventurous drives. The Gooseneck / 5th Wheel Prep Package provides the versatility you need for towing, while the Aerial View Display System and Blind Spot Monitor enhance safety and visibility. The AT4 trim level elevates your driving experience with exclusive features like the AT4 Preferred Equipment Group and AT4 Premium Plus Package. These packages include advanced technology and premium design elements that set it apart from other trims in the Sierra lineup. Enjoy seamless connectivity with Android Auto and Apple CarPlay, keeping you connected on every journey. Located in Dauphin, this is a new vehicle with all the latest features, ensuring you have the best on-road experience. Dean Cooley GM has been serving the Parkland area since 1995, and we are proud to have contributed to the area's automotive needs for almost three decades. Specializing in Chevrolet, Buick, and GMC vehicles, along with certified pre-owned options, we take pride in matching you with the perfect vehicle to suit your needs. Our in-house financial experts are dedicated to simplifying the financing and leasing process, offering personalized solutions. At the heart of our operation lies our service department, complete with a cutting-edge collision and glass center. Here, we service all makes and models with meticulous precision and care. We also have a comprehensive parts department, stocked with essential parts, accessories, and tires all conveniently located under one roof. Visit us today at 1600 Main Street South in Dauphin and experience a new standard in the automotive industry.