Meet the 2025 GMC Sierra 2500HD AT4, a heavy-duty truck engineered for those who demand capability without compromise. This Gray Duramax-powered vehicle combines rugged construction with refined comfort, making it an ideal choice for work, adventure, or daily responsibilities that require genuine strength and dependability.
- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 2-Speed Active Transfer Case
- AT4 Premium Plus Package with power sunroof and Technology Package
- Gooseneck/5th Wheel Prep Package with hitch platform and bed-mounted 7-pin trailer harness
- Power-retractable black assist steps with LED lighting
- Off-Road High Clearance Step and X31 Off-Road Package
- HD Surround Vision with Bed View Camera and trailer camera provisions
- Multicolor 15" Head-Up Display and wireless phone projection
- Premium Bose 7-speaker sound system with SiriusXM 360L
- Heated and ventilated front seats with 10-way power adjustment
- Heated second row outboard seats
- Power sunroof
- Spray-on pickup bedliner with GMC logo
The Duramax diesel engine delivers the torque and towing performance serious truck owners expect, backed by an engine block heater for reliable cold-weather starts. The 220-amp alternator and heavy-duty 80-amp battery ensure your truck powers through demanding applications. Equipped with a gooseneck and 5th wheel prep package, this Sierra is ready to handle your largest trailers with stamped bed holes and a removable caps system for easy connection.
Inside, the cab reflects GMC's commitment to driver-focused design. The AT4 Premium Plus Package brings genuine comfort with heated and ventilated front seats, a heated steering wheel, and a sunroof that opens up your driving experience. The Multicolor Head-Up Display keeps critical information at your line of sight, while the premium Bose audio system and SiriusXM keep you connected during every mile.
Advanced technology enhances both capability and safety. The In-Vehicle Trailering System App simplifies trailer management, while Hitch Guidance with Hitch View takes the guesswork out of backing up. Automatic emergency braking, lane departure warning, and rear cross traffic alert work together to keep you aware of your surroundings. The surround vision camera system provides visibility that transforms difficult situations into manageable ones.
The truck's exterior commands respect on any terrain. High-gloss black 20-inch aluminum wheels, a gloss black header grille, and LED smoked amber roof marker lamps establish striking presence. Power retractable assist steps with integrated LED lighting handle the truck's height while adding functional style. Off-road suspension and hill descent control prepare you for unpaved challenges without sacrificing highway composure.
This 2025 Sierra 2500HD AT4 represents the complete package for those who refuse to settle. It merges best-in-class diesel performance, modern safety systems, premium comfort features, and serious towing preparation into one capable machine. Contact us today to schedule a test drive and experience this truck's full potential firsthand.
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