2025 GMC Sierra 2500 HD

The 2025 GMC Sierra 2500 HD is available in several trims, each offering a unique blend of capability and style. The Pro trim is designed for utility, featuring chrome bumpers, cab-mounted cargo lamps, animated LED projector headlamps, and durable steel wheels for a functional exterior. Advancing to the SLT sees 18-inch machined aluminum wheels, the versatile MultiPro™ Tailgate, and animated taillamps for a sophisticated edge. The AT4 trim is built for off-roading, with the AT4X kicking that into extremes with 1.5-inch suspension lift, up to 35-inch Goodyear® Territory MT tires, power-retractable assist steps with LED perimeter lighting to illuminate dim trails, and an American Expedition Vehicles Edition that adds exclusivity to your ruggedness. The Denali trim boasts a refined front grille, chrome assist steps, 20-inch polished wheels, and distinctive exterior lighting, while the Denali Ultimate is just that—the ultimate in luxury. With an exclusive Vader Chrome grille, ultra-bright machined wheels with gloss black accents, illuminated power assist steps, and premium lighting, it exudes elegance. With accessories, multiple appearance packages, and striking colors, the Sierra 2500 HD is an extension of your tastes.

The 2025 Sierra 2500 HD offers 2 potent engines. The 6.6L V8 gasoline engine provides 401 hp and 464 lbs.-ft. of torque, ideal for most heavy-duty tasks. For even more power, the 6.6L Duramax® Turbo-Diesel V8 engine generates 470 hp and a monstrous 975 lbs.-ft. of low-end torque, offering long-distance endurance, maximum efficiency, and heavy-duty towing capabilities. Both engines are paired with the renowned Allison® 10-speed automatic transmission for smooth shifting and durability.

The Sierra 2500 HD is designed to excel in various driving scenarios, with available 4WD and standard rear-wheel drive. The ProGrade™ Trailering System, up to 14 camera views including a Transparent Trailer View, and Integrated Trailer Brake Controller assist with towing, offering real-time data on trailer weight and angles. With a Best-in-Class 22,500-lb. towing capacity, the Sierra 2500 HD is a powerhouse. Magnetic Ride Control™ provides a smooth ride, adjusting to road conditions. The AT4 and AT4X are exceptionally prepared for harsh terrain, featuring off-road enhancements such as Hill Descent Control, a rear e-locking differential, Rancho® twin-tube shocks, and a factory lift. This truck is as adaptable as it is powerful.

Inside, the 2025 Sierra 2500 HD blends luxury with functionality. The Crew Cab offers spacious seating with generous rear legroom, while the SLT, AT4, and Denali trims feature leather-wrapped seats. The Denali Ultimate trim upgrades to forge-perforated premium leather, a Best-in-Class 16-way power-adjustable driver’s seat with heating, ventilation, and massage, and open-pore wood accents. A Largest-in-Class 13.4-inch infotainment screen with wireless Apple CarPlay® and Android Auto™ integration is standard, with an available Bose® Premium Sound System for high-quality audio. The 12.3-inch diagonal digital driver information center offers customizable displays, ensuring drivers have essential information at a glance. Ample storage solutions and a versatile center console add to the thoughtful design that makes this cabin a retreat from the mundane.

The 2025 GMC Sierra 2500 HD is equipped with the GMC Pro Safety Plus suite, which includes Forward Collision Alert, Automatic Emergency Braking, Lane Departure Warning, and Front Pedestrian Braking. The Surround Vision Camera System offers a bird’s-eye view to assist with parking and maneuvering. Rear Cross Traffic Alert and Blind Zone Alert provide additional safety when changing lanes or reversing. Trailer Side Blind Zone Alert monitors the trailer’s blind spots, while HD Surround Vision helps in narrow or construction areas. Teen Driver Technology allows parents to set limits and monitor young drivers, and OnStar® provides emergency response and roadside assistance, so you never feel alone on the road.