
Meet the 2025 GMC Sierra 2500HD AT4, a full-size diesel pickup engineered to handle serious work and demanding adventures. Whether you're towing heavy loads or navigating challenging terrain, this truck combines capability with refined comfort designed to improve your daily driving experience.
- Duramax 6.6L V8 Turbodiesel engine with 470 hp and 975 lb-ft of torque
- 10-Speed Automatic transmission with 4WD
- AT4 Premium Plus Package with power sunroof and Technology Package
- Gooseneck/5th Wheel Prep Package with hitch platform
- Power-retractable black assist steps with LED lighting
- Bose Premium 7-Speaker Sound System with SiriusXM 360L
- Multicolor 15" Head-Up Display
- HD Surround Vision with bed view camera and trailer camera provisions
- Trailer Tire Pressure Monitor Sensors with In-Vehicle Trailering App
- Heated and ventilated leather front seats with 10-way power adjustment
- Wireless charging and wireless phone projection
- All-weather floor liners for first and second rows
- Universal Home Remote and push button start
- 220-Amp alternator and engine block heater
- LT275/65R20 BF Goodrich off-road tires
This Sierra 2500HD delivers the diesel torque serious truck owners demand. The Duramax engine provides the pulling power and efficiency needed for commercial work, recreational towing, or daily hauling. Four-wheel drive with off-road suspension and high clearance steps ensures you can explore beyond paved roads while maintaining control and stability.
The truck bed is equipped with practical features including a spray-on bedliner with GMC logo, LED cargo area lighting, and a 120-volt outlet for powering tools and equipment. The gooseneck and fifth-wheel prep package gives you the platform to add compatible hitches for serious trailers, while trailer tire pressure monitoring keeps you informed on the road.
Inside, the cabin combines work-ready durability with upscale comfort. Leather-appointed front seats with heating, ventilation, and power adjustments support long drives. The Bose sound system, power sunroof, and automatic climate control create a refined atmosphere despite the truck's formidable capabilities. Safety features including automatic emergency braking, forward collision alert, and surround vision cameras provide added confidence.
The Technology Package includes wireless phone projection, wireless charging, and the in-vehicle trailering system to monitor and manage your trailer from the truck. The universal home remote and push button start add convenience to your ownership experience.
This 2025 Sierra 2500HD AT4 represents a serious investment in capability and quality. The white exterior presents a clean, professional appearance suitable for both job sites and refined settings. With premium features, robust engineering, and the diesel efficiency you need for real work, this truck is ready to serve your most demanding applications.




