2026 GMC Sierra 3500

Rugged Power and Refined Capability: Introducing the 2026 GMC Sierra 3500HD SLE When it comes to taking on the toughest jobs and conquering the most demanding terrain, the 2026 GMC Sierra 3500HD SLE is the ultimate workhorse. This exceptional heavy-duty truck is engineered to deliver uncompromising performance, unparalleled versatility, and a level of refinement that sets it apart from the competition. - Duramax 6.6L V8 Turbodiesel Engine - 10-Speed Automatic Transmission - 4-Wheel Drive - X31 Off-Road and Protection Package - Snow Plow Prep/Camper Package - SLE Convenience Package - SLE Heated Package - Remote Start Package Beneath the bold, muscular exterior lies a powerhouse that commands respect. The Duramax 6.6L V8 Turbodiesel engine, paired with a smooth-shifting 10-speed automatic transmission, unleashes an impressive 470 horsepower and an astounding 975 lb-ft of torque. Whether you're towing a heavy trailer, navigating rugged terrain, or plowing through winter's harshest conditions, this Sierra 3500HD delivers the capability you demand. Designed with your needs in mind, the Sierra 3500HD SLE comes equipped with a host of premium features that elevate your driving experience. The X31 Off-Road and Protection Package equips your truck with an off-road-tuned suspension, Hill Descent Control, and skid plates to conquer the most challenging environments. The Snow Plow Prep/Camper Package ensures you're ready for the harshest winters, while the SLE Convenience and Heated Packages provide creature comforts like dual-zone automatic climate control, a heated steering wheel, and heated front seats. Step inside the spacious cabin, and you'll be surrounded by thoughtful details that cater to your every need. The premium GMC Infotainment System keeps you connected and entertained, while the 10-way power driver's seat and available leather-wrapped steering wheel provide exceptional comfort and control. This 2026 GMC Sierra 3500HD SLE is a true workhorse with a refined touch, blending uncompromising capability with a level of sophistication that sets it apart from the competition. Experience the power and versatility that only a GMC can deliver. Visit Weirs Buick GMC today and let us show you why this remarkable truck should be your next adventure partner. Why Buy from Weirs Buick GMC? Weirs Buick GMC has proudly served Arundel, Kennebunk, Kennebunkport, and all of Maine for over 65 years. Our dedicated team ensures that whether you're looking to buy, sell, or lease a Buick or GMC in Maine, your experience is seamless and enjoyable. We serve customers from Westbrook, Portland, Augusta, Auburn, Sanford, Portsmouth, and across New England. As your trusted GMC dealer in Maine, we offer competitive pricing comparable to other GMC and Buick dealers in the region. In addition to our wide selection of vehicles, we sell and service Fisher snow plows, ensuring you're ready for Maine's tough winters. Conveniently located on Route 1 in Arundel, we invite y