2026 GMC Sierra 2500HD AT4X AT4X-5th Wheel Prep-Cooled/Ventilated Seats-Heated Steering Wheel-Heated Seats

• AT4X PREFERRED EQUIPMENT GROUP includes standard equipment
• OBSIDIAN RUSH FULL GRAIN LEATHER SEAT TRIM
• GVWR 11 350 LBS. (5148 KG)
• TRANSMISSION 10-SPEED AUTOMATIC
• HIGH IDLE SWITCH
• 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.)
• 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).
• ASSIST HANDLE SIDE (bed mounted; fold out grab handle for extra support)
• REAR AXLE 3.42 RATIO
• COASTAL DUNE
• Climate Control
• Rain Sensing Wipers
• Adaptive Cruise Control
• Leather Seats
• Integrated Turn Signal Mirrors
• Power Door Locks
• MP3 Capability
• Telematics
• MP3 Capability
• Driver Adjustable Lumbar
• Front Collision Mitigation
• Rear Defrost
• Auxiliary Audio Input
• Power Driver Seat
• Intermittent Wipers
• Heated Rear Seat(s)
• Keyless Start
• Front Collision Warning
• Passenger Adjustable Lumbar
• Back-Up Camera
• Bed Liner
• Heated Steering Wheel
• Power Door Locks
• Cooled Front Seat(s)
• Lane Departure Warning
• Lane Departure Warning
• Conventional Spare Tire
• Seat-Massage
• Premium Sound System
• Pass-Through Rear Seat
• Blind Spot Monitor
• Satellite Radio
• Tow Hooks
• Fog Lamps
• Front Collision Warning
• Power Passenger Seat
• Multi-Zone A/C
• Cruise Control
• Integrated Tailgate Step
• Passenger Air Bag Sensor
• Universal Garage Door Opener
• Bucket Seats
• Power Folding Mirrors
• Floor Mats
• Driver Air Bag
• Power Mirror(s)
• Premium Sound System
• Rear Parking Aid
• Four Wheel Drive
• AM/FM Stereo
• Tires - Front All-Season
• Power Retractable Running Boards
• Floor Mats
• Tow Hitch
• Front Head Air Bag
• Automatic Highbeams
• Back-Up Camera
• Sliding Rear Window
• Passenger Air Bag
• Daytime Running Lights
• Daytime Running Lights
• Heated Front Seat(s)
• Variable Speed Intermittent Wipers
• MP3 Capability
• Auto-Dimming Rearview Mirror
• Stability Control
• Tire Pressure Monitor
• Requires Subscription
• Bluetooth Connection
• Smart Device Integration
• Front Collision Warning
• Security System
• Telematics
• Front Collision Mitigation
• Automatic Highbeams
• Requires Subscription
• Sun/Moonroof
• ABS
• Bluetooth Connection
• Bluetooth Connection
• Steering Wheel Audio Controls
• 4-Wheel Disc Brakes
• Generic Sun/Moonroof
• Remote Engine Start
• Front Side Air Bag
• Rear Head Air Bag
• Heated Front Seat(s)
• Navigation System
• Aerial View Display System
• Daytime Running Lights
• Keyless Entry
• Rear Bench Seat
• Keyless Start
• Locking/Limited Slip Differential
• Front Collision Mitigation
• Back-Up Camera
• Traction Control
• Requires Subscription
• A/C
• Auxiliary Audio Input
• Power Windows
• Rear Defrost
• Cross-Traffic Alert
• Adjustable Steering Wheel
• Heads-Up Display
• Power Windows
• Auxiliary Audio Input
• Privacy Glass
• Running Boards/Side Steps
• WiFi Hotspot
• Running Boards/Side Steps
• Power Windows
• Seat Memory
• Seat-Massage
• Power Steering
• Aluminum Wheels
• Heated Mirrors
• Smart Device Integration
• Mirror Memory
• Leather Steering Wheel
• Tires - Rear All-Season
• Driver Restriction Features
• Requires Subscription

Heated Steering Wheel, Cooled Front Seats, Heated Seats, Power Retractable Running Boards, Blind Spot Monitor, Adaptive Cruise Control, Premium Sound System Experience the 2026 GMC Sierra 2500HD in the AT4X trim level, designed for those who demand luxury and rugged capability. This trim sets itself apart with enhancements like cooled and ventilated seats for ultimate comfort during your drives. The heated steering wheel and seats ensure warmth in colder months, while the power retractable running boards provide easy access to the cabin. A blind spot monitor adds an extra layer of safety, while the adaptive cruise control system elevates your driving experience with ease on long journeys. Enjoy a premium sound system that makes every drive more enjoyable. The AT4X trim level is distinct in its offering, incorporating a 5th Wheel Prep Package that includes a hitch platform ready for heavy-duty towing needs. This package makes it ideal for those requiring robust towing capabilities without compromising on comfort or style. Along with the standard features, the AT4X trim also includes unique elements like a heads-up display, seat massage function, and a navigation system to make each journey more convenient and comfortable. For tech-savvy drivers, this model is equipped with both Android Auto and Apple CarPlay, ensuring seamless connectivity with your devices. The built-in WiFi hotspot ensures you stay connected, no matter where the road takes you. This new Sierra 2500HD AT4X is available now in Dauphin, ready to take on any adventure with you. 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.