New 2025 & 2026 GMC Sierra 3500 HD for Sale Near Fort Lauderdale, Boca Raton & Pompano Beach, FL

The GMC Sierra 3500 HD delivers the heavy-duty power South Florida drivers need with the technology and comfort they expect. At Sheehan Buick GMC, serving Fort Lauderdale, Pompano Beach, Boca Raton, Deerfield Beach, and Coral Springs, shoppers will find a strong selection of 2025 and 2026 Sierra 3500 HD models, including Denali, Denali Ultimate, and dual rear wheel (DRW) configurations for maximum towing and payload. Features like Adaptive Cruise Control, Remote Start, Bluetooth®, advanced 4WD/AWD systems, and available Super Cruise hands-free driving make the Sierra 3500 HD both powerful and advanced. Whether you want the luxury of the Denali Ultimate or the capability of a Denali DRW, this truck is built to handle the toughest jobs while keeping you comfortable. At Sheehan Buick GMC, we make it simple to upgrade with transparent pricing, flexible financing, and a process trusted by Broward and Palm Beach drivers for decades. For drivers who demand strength, technology, and style in one package, the 2025 & 2026 GMC Sierra 3500 HD sets the standard.