The GMC Sierra 3500 HD delivers exceptional capability and purposeful craftsmanship engineered for the heavy-duty demands of Western Minnesota and Red River Valley drivers. Whether hauling equipment across Fergus Falls or pulling a commercial trailer into Fargo, ND, this truck pairs time-tested strength with modern cabin refinement.

Uncompromising Heavy-Duty Performance

Every Sierra 3500 HD offers powertrain configurations designed to handle demanding workloads across St. Cloud, Detroit Lakes, and Glenwood.

• 6.6L V8 Gas Engine: Delivers 401 horsepower and 464 lb-ft of torque, paired with a smooth-shifting Allison 10-speed automatic transmission.
• Available Duramax 6.6L Turbo-Diesel V8 Engine: Generates 470 horsepower and 975 lb-ft of torque, providing low-end muscle required for serious hauling.
• Maximum Towing Capability: Pulls up to 36,000 lbs when properly equipped, backed by advanced trailering technology and comprehensive camera views.
• Functional Upgrades: Available GMC MultiPro Tailgate provides six flexible functions to simplify loading, unloading, and job site tasks.

Sophisticated Interior Tech for Long Highway Drives

Inside, the Sierra 3500 HD transitions seamlessly from a heavy-duty workhorse to a quiet sanctuary. An available 13.4-inch diagonal center touchscreen and 12.3-inch diagonal digital Driver Information Center keep navigation and trailering data directly in view. Trims like the Denali and Denali Ultimate elevate every trip with premium leather seating surfaces, authentic open-pore wood trim, and heated and ventilated front seats.

Why Choose Diamond Buick GMC Of Alexandria for Your Commercial Truck

At Diamond Buick GMC Of Alexandria, buying a heavy-duty truck means receiving expert guidance tailored to your business or personal needs. Drivers from Glenwood to Detroit Lakes choose our dealership for distinct advantages:

• Transparent Finance Solutions: Explore competitive financing options and custom vehicle packages built for individual buyers and commercial fleets.
• Trade-In Evaluations: Receive top-market value when upgrading your current truck through our simple trade-in process.
• Certified GM Service: Keep your Sierra running at peak performance with factory-trained technicians at our dedicated service center.

Explore our current inventory of the New GMC Sierra 3500 HD today or visit Diamond Buick GMC Of Alexandria in Fergus Falls to schedule a test drive.