Introducing the 2024 GMC Sierra HD, a pinnacle of power and capability in the realm of heavy-duty trucks. This latest iteration of the Sierra HD exudes strength, resilience, and innovation, catering to the demands of drivers who require uncompromising performance for their toughest tasks. With a bold and commanding presence, this truck is engineered to handle heavy loads and navigate challenging terrains with ease. Boasting a potent engine lineup, advanced towing technology, and a refined interior, the 2024 Sierra HD is more than a workhorse – it's a sophisticated and versatile partner for both professional and recreational endeavors. Whether tackling demanding worksites or embarking on rugged adventures, the 2024 GMC Sierra HD stands ready to redefine the standards of heavy-duty trucks with its blend of capability, durability, and cutting-edge features.
If you're located in Hartford, Newington, Berlin or the surrounding areas, we're the GMC dealer for you. Shop the 2024 GMC Sierra HD today at Gallagher Buick GMC.
View InventoryThe cabin's focal point is a 13.4-inch diagonal tablet-style touch screen, the largest in its class, offering a customizable and advanced interface.
The Sierra Heavy Duty is equipped with an optional 12.3-inch diagonal digital Driver Information Center. Manage and personalize crucial vehicle, driving, and infotainment information with high-resolution clarity.
The roomy and comfortable interior provides cutting-edge driver-focused technologies, including the Bose Premium Sound System featuring a Richbass woofer.
The incredibly innovative MultiPro™ Tailgate, available for use, incorporates six convenient functions to enhance the ease of loading, unloading, and accessing the cargo bed, making even the most challenging tasks more manageable.