
Buy or Lease A New GMC SIERRA 3500 in Detroit Lakes
2026 GMC Sierra 3500HD For Sale in Detroit Lakes | Heavy-Duty Pickup Truck
The 2026 GMC Sierra 3500HD is a highly capable, heavy-duty pickup truck built to take on the toughest towing and hauling jobs. With powerful engine options, an available durable Duramax turbodiesel, advanced trailering technologies, and a well-appointed interior, the Sierra 3500HD delivers both brawn and refinement. The GMC Sierra HD lineup spans a range of trims, from the well-equipped Sierra Pro to the luxurious Sierra Denali Ultimate. Our team is here to make sure you get the information you need about new Sierra 3500HD today. Continue reading to learn more below.
1Dealer Discount applied to everyone

Powerful Performance
Sierra 3500HD offers a choice of two robust powertrains. The standard 6.6-liter eight-cylinder gas engine generates 401 horsepower and 464 pound-feet of torque, paired with a smooth 10-speed automatic transmission. For maximum trailering and hauling power, the available 6.6-liter Duramax turbodiesel eight churns out 470 horsepower and a massive 975 pound-feet of torque. When properly equipped, the Sierra 3500HD can tow up to 36,000 pounds. An available auto-locking rear differential optimizes traction. Regardless of the engine configuration you choose, the new Sierra 3500HD comes with enough power for the day ahead.
Whether navigating snowy streets in Fargo, ND or hauling supplies to a job site in Fergus Falls, MN, the Sierra 3500HD's advanced 4WD system provides confidence-inspiring capability. The pickup bed offers LED lighting, 12 standard tie-downs, and an available MultiPro tailgate with six versatile functions for easier cargo access. This truck offers impressive versatility for whatever you have planned for the day.
Rugged Exterior, Refined Interior
The GMC Sierra 3500HD combines heavy-duty strength with bold, muscular design. A tall, broad grille with prominent GMC badging makes a powerful impression. The chiseled hood and body sculpting convey capable strength. Muscatell GMC, serving Moorhead, MN, stocks a variety of Sierra HD configurations to suit your needs, from a Regular Cab with an eight-foot long bed up to the spacious Crew Cab with available 6.5-foot or eight-foot bed lengths. This truck is powerful while also offering a head-turning design that is sure to impress.
While rugged outside, the Sierra 3500HD treats occupants to a quiet, comfortable interior. Premium materials and fine craftsmanship are found throughout the cab. The available 13.4-inch infotainment touchscreen, the largest in its class, offers wireless Apple CarPlay and Android Auto connectivity. Numerous USB-A and USB-C charge ports, an available wireless charging pad, and the latest in-vehicle apps like Alexa Built-In keep you connected. The expansive center console provides flexible storage options. This Heavy-Duty offers impressive features and a luxurious interior for drivers and passengers alike.
Upgrading to the top-tier Denali Ultimate trim brings an even higher level of cabin refinement to Horace, ND drivers. Premium full-grain leather covers the seats, dashboard, and door panels. Hot Stone Massage front seats, Paldao wood trim, and embroidered floor mats create an atmosphere of luxury. A standard power sunroof and MultiPro Audio System by Kicker enhance the driving experience. With a variety of luxury enhancements, the Sierra 3500 is sure to impress drivers and passengers alike.


Advanced Safety Technologies
The 2026 Sierra 3500HD offers a comprehensive suite of driver assistance and active safety features to boost driver confidence around Dilworth, MN. Available technologies include HD Surround Vision with up to 14 camera views, Rear Cross Traffic Alert, Lane Change Alert with Side Blind Zone Alert, and Front and Rear Park Assist. The ProGrade Trailering System provides in-vehicle customized trailer profiles, pre-departure checklists, and trailer maintenance reminders. An available 15-inch diagonal multicolor Head-Up Display projects key information onto the windshield. Not only is the new Sierra 3500 durable, but this Heavy-Duty is loaded with features to keep you protected.

What's New for 2026
For the 2026 model year, the GMC Sierra 3500HD lineup receives several enhancements. The 13.4-inch infotainment system with navigation now comes standard on SLE trim and above. Wireless phone projection capability is included across all trims. New exterior colors freshen the palette, and additional wheel designs become available. The innovative MultiPro tailgate is now offered on SLE and Elevation trims. This dominant Heavy-Duty returns to help set the standard for its class and conquer the highways.
Sierra 3500HD Trim Levels
With six available trims, there's a 2026 GMC Sierra 3500HD configuration for a wide range of budgets and needs.
- Sierra Pro: Offers impressive standard equipment like the 6.6-liter gas eight-cylinder, trailering package, LED headlamps and 13.4-inch infotainment system
- SLE: Adds a MultiPro tailgate, LED foglamps, heated steering wheel, 10-way power driver's seat, and available dual-zone climate control
- Elevation: Boasts a monochromatic, blacked-out exterior with body color grille, bumpers, and trim for a striking, sport truck look
- SLT: Includes perforated leather seating, heated/ventilated front seats, power sliding rear window, spray-on bed liner, and additional chrome accents
- AT4: Goes off-road ready with standard 4WD, Rancho shocks, skid plates, mud terrain tires, and a distinctive AT4 grille and interior
- Denali: Serves as the ultimate expression of premium with an exclusive grille, 20-inch wheels, MultiPro power steps, Bose audio, and open-pore wood trim
Visit Muscatell GMC Today!
To experience the impressive capability and luxury of the 2026 GMC Sierra 3500HD, visit Muscatell GMC in Detroit Lakes. Just a short drive from Fargo, Fergus Falls, Moorhead, and Dilworth, MN, our experienced sales team will help match you with the ideal Sierra HD model for your work and lifestyle needs. Stop by our dealership on Highway 10 to see our extensive inventory and take this heavy-duty truck for a test drive. Browse our vast inventory and more here at Muscatell GMC. Ask about our exclusive loans and leasing offers as well.
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Muscatell GMC
425 HWY 10 E
DETROIT LAKES, MN 56501
- Sales: (218) 530-7311