Used 2021 Gmc Sierra 3500 HD SLT

This 2021 GMC Sierra 3500HD SLT blends serious Duramax performance with upscale SLT refinement. Showing 81,832 miles, this Summit White Crew Cab 4WD is powered by the proven Duramax 6.6L Turbo-Diesel V8 paired with the 10-speed automatic, offering exceptional torque, smooth towing power, and long-haul durability. The 2021 GMC Sierra 3500HD SLT in Summit White with Dark Walnut/Slate interior delivers professional-grade strength, refined comfort, and modern technology. Ideal for towing, hauling, and everyday driving, this SLT model offers the perfect blend of durability, capability, and luxury. Backed by our internet-priced dealership commitment, you'll always receive transparent, market-driven pricing no pressure, no surprises. Call or visit today to see why this Sierra 3500HD SLT is a top choice for heavy-duty drivers who demand both power and comfort.