Used 2025 Gmc Sierra 3500 HD AT4

Power, Luxury, and Off-Road Dominance Step into the pinnacle of heavy-duty capability and off-road refinement with the 2025 GMC Sierra 3500 HD AT4 Premium Plus. This truck is engineered for those who demand uncompromising performance, rugged durability, and upscale comfort - all in one commanding package. Under the hood, the Sierra 3500 AT4 offers a choice between a robust 6.6L V8 gas engine and the legendary Duramax 6.6L Turbo-Diesel V8 paired with the Allison 10-speed automatic transmission. With up to 470 horsepower and a staggering 975 lb-ft of torque, this truck is built to tow, haul, and conquer any terrain. It boasts a maximum conventional trailering capacity of 20,000 lbs and a gooseneck/fifth-wheel rating of up to 21,300 lbs, making it a true workhorse for serious towing needs. The AT4 trim brings off-road prowess with an exclusive Off-Road Suspension Package featuring twin-tube Rancho shocks, skid plates, and Hill Descent Control. Ground clearance reaches up to 11.2 inches, supported by aggressive 20-inch gloss-black aluminum wheels and available BFGoodrich off-road tires. The bold exterior is matched by animated LED projector headlamps and a signature AT4 grille that announces its presence with authority. Inside, the Premium Plus Package elevates the cabin with heated and ventilated leather seating surfaces, a heated steering wheel, and a 13.4-inch diagonal touchscreen infotainment system with Google built-in compatibility. Advanced tech includes up to 14 available camera views, HD Surround Vision, and a multicolor 15-inch Head-Up Display with off-road inclinometer. The Jet Black interior with Kalahari accents adds a refined yet adventurous touch. Whether you're navigating backcountry trails or hauling heavy loads across rugged terrain, the 2025 Sierra 3500 HD AT4 Premium Plus delivers unmatched capability, cutting-edge technology, and premium comfort. It's not just a truck - it's a statement of strength and sophistication.

• Off-Road Suspension Package
• Twin-tube Rancho shocks
• Skid plates
• Hill Descent Control
• Ground clearance up to 11.2 inches
• 20-inch gloss-black aluminum wheels
• BFGoodrich off-road tires
• LED projector headlamps
• Signature AT4 grille
• Heated and ventilated leather seating surfaces
• Heated steering wheel
• 13.4-inch diagonal touchscreen infotainment system with Google built-in compatibility
• Up to 14 available camera views
• HD Surround Vision
• Multicolor 15-inch Head-Up Display with off-road inclinometer
• Rear Cross Traffic Alert
• Trailer Side Blind Zone Alert
• Ultrasonic Front & Rear Park Assist
• Bose Premium 7-Speaker Sound System

Location