Used 2025 Gmc Sierra 3500 HD SLT

Power, capability, and premium comfort come together in this 2025 GMC Sierra 3500 HD SLT. Built for those who demand strength and refinement, this heavy-duty truck is ready to tackle the toughest jobs while keeping you in style. Under the hood, you'll find the legendary 6.6L Duramax Turbo-Diesel V8, delivering massive torque for unbeatable towing and hauling performance. Paired with the Allison transmission, this truck is engineered for durability and smooth power delivery, whether you're pulling a fifth wheel or conquering steep grades. The X31 Off-Road Package adds rugged capability with skid plates, off-road suspension, and Hill Descent Control - perfect for those who need confidence on any terrain. And with the SLT trim, you'll enjoy premium leather seating, advanced infotainment with Apple CarPlay and Android Auto, and a quiet, comfortable cabin designed for long hauls. This Sierra 3500 is not just a workhorse - it's a luxury powerhouse.