2025 GMC Sierra HD

The 2025 Sierra 2500 HD boasts commanding power with the looks to back it up. Each of its diverse trim levels exudes distinct character. The Pro trim serves as a robust foundation, featuring a bold grille design and durable construction, as well as animated LED projector headlamps with daytime running lamps. The SLE and SLT trims add conveniences like cab-mounted cargo lights, animated taillamps and fog lamps, rain-sensing wipers, power-folding trailer mirrors, and the highly versatile MultiPro™ Tailgate. For the adventurer, the AT4 and AT4X get wild, boasting trail-ready features like a factory-installed lift, gloss-black aluminum wheels, up to 35-inch Goodyear® mud-terrain tires, and heavy-duty skid plates. The AEV Special Edition adds an air of exclusivity and power with stamped steel elements and racing-inspired Salta wheels. If it’s luxury you crave, the Denali and Denali Ultimate show off distinguishing features like the Vader Chrome grille, illuminated power assist steps, 20-inch ultra-bright machined wheels, and details that hint at the lavish interior that awaits.

Under the hood, the Sierra HD offers formidable powertrain options. The standard 6.6L V8 gas engine delivers a substantial 401 hp and 464 lbs.-ft. of torque, ensuring powerful performance for a variety of tasks. For enhanced towing capabilities and efficiency, the Duramax® 6.6L Turbo-Diesel V8 engine is renowned for long haul endurance, generating 470 hp with a massive 975 lbs.-ft. of low-end torque. Both engines are paired with the Allison® 10-speed automatic transmission, providing exceptional power and durability, making it a preferred choice for heavy-duty applications.?

Engineered to excel in demanding conditions, the Sierra HD boasts impressive performance metrics. With a maximum towing capacity of up to 36,000 lbs. when properly equipped, it stands ready to handle the most challenging hauling tasks. The ProGrade® Trailering System supports this beast with tech like an in-vehicle trailering app, while up to 14 camera views, including a transparent trailer view, provides unshakable confidence. The available 4-wheel-drive system, advanced suspension configurations, and features like the AT4X’s 1.5-inch factory lift, twin-tube shocks, and rear e-locking differential, maximize off-road prowess, ensuring the Sierra HD performs admirably across diverse terrains.

Step inside the Sierra HD, and you're greeted by a harmonious blend of comfort and advanced technology. If it’s luxury you crave after a long day, the Denali Ultimate trim indulges you with full-grain leather seating, intricate plaited stitching, and intricated laser-etched topographical map patterns of Mt. Denali on open-pore wood, creating an ambiance of refined luxury. Best-in-Class 16-way power-adjustable, heated, ventilated, massaging seats envelop you in a spa-like atmosphere. Technological advancements include a 13.4-inch center touchscreen—the largest in its class—a 12.3" diagonal digital Driver Information Center, and an available 15-inch multicolor Head-Up Display, keeping essential information within the driver's line of sight.?Wireless smartphone integration keeps you connected and the cabin clutter-free. With ample storage solutions and a versatile center console complementing Best-in-Class Crew Cab front head and legroom, this cabin works for you in every way.

Safety remains paramount in the Sierra HD, with a suite of advanced driver assistance technologies designed to enhance protection and confidence on the road. The Sierra HD Pro Safety package includes Forward Collision Alert, Following Distance Indicator, Front Pedestrian Braking, IntelliBeam automatic high beams, Lane Departure Warning, Buckle to Drive, and Automatic Emergency Braking. These features work in concert to provide a comprehensive safety net, assisting drivers in navigating various driving scenarios with increased awareness and responsiveness.?