2025 GMC Sierra 3500

Whether you crave rugged utility or bold sophistication, the Sierra 3500 HD offers a spectrum of trim options that align with your lifestyle: Pro – A no-nonsense workhorse. Blacked-out accents, vertical recovery hooks, and a bold stance. This trim screams utility without pretense. SLE – Adds chrome bumpers and grille details, a 17-inch steel wheel package, and trailering mirrors for added presence and control. SLT – The game changes here. Chrome surrounds, 18-inch machined aluminum wheels, LED cargo lighting—elevated for those who want more. AT4 – Off-road ready with skid plates, red tow hooks, vertical grille design, and 20-inch machined aluminum wheels wrapped in aggressive all-terrain rubber. Denali – GMC’s crown jewel. Satin chrome accents, unique signature grille, 20-inch polished wheels, and power-retractable assist steps. You don’t drive this truck—you arrive in it. Denali Ultimate – For those who demand the apex of luxury. Vader chrome finishes, 20-inch ultra-bright wheels, and exclusive badging redefine what a heavy-duty truck can look like.

Muscle isn't optional—it’s foundational. 6.6L V8 Gas Engine – 401 horsepower. 464 lb-ft of torque. Smooth and commanding with a direct fuel injection system that responds instantly. Duramax® 6.6L Turbo-Diesel V8 – 470 horsepower. A monumental 975 lb-ft of torque. Mated to a robust Allison® 10-speed automatic transmission, it delivers relentless pulling power and seamless shifting—made for long hauls across county lines or country borders.

The Sierra 3500 doesn’t flinch. It flexes. Its capabilities are immense: Max Towing Capacity of up to 36,000 pounds (Diesel, DRW). Advanced Trailering System with up to 15 available camera views, including Transparent Trailer View. Dual Rear Wheel Option—offering unmatched payload capacity and stability for heavy-duty towing applications. Available Autotrac® 2-Speed Transfer Case for seamless transitions from city streets to mud-plastered backroads. StabiliTrak® with Trailer Sway Control—keeping even the biggest loads in check.

Step inside, and you’ll forget you’re in a heavy-duty truck. The Sierra 3500 offers an interior that cocoons you in confidence: Premium Materials: Perforated leather-appointed seating, aluminum trim, contrast stitching, and real wood accents. 13.4-inch Diagonal Center Touchscreen with Google Built-in compatibility. Maps, music, meetings—right at your fingertips. 12.3-inch Digital Driver Display: Customize your readouts, monitor your trailer, or keep your eyes on the job. Heads-Up Display: Projects crucial driving data onto your windshield, reducing distraction and keeping you focused. Available Rear Camera Mirror, Bose® Premium Audio, Dual-Zone Climate Control, and Wireless Charging transform the cabin into a mobile command center.

When you're towing tens of thousands of pounds, safety isn’t an afterthought—it’s a requirement. Forward Collision Alert with Automatic Emergency Braking Lane Departure Warning with Lane Keep Assist Front and Rear Park Assist Hitch Guidance with Hitch View—makes solo hook-ups seamless HD Surround Vision—giving you an eagle-eye view around the truck Trailer Side Blind Zone Alert—because awareness should extend to your load too Every Sierra 3500 model is fortified with a steel-reinforced safety cage and cutting-edge technology engineered to help prevent, mitigate, or respond to on-road threats—whether you're navigating the streets of Muskogee or the narrow lanes of Muskogee.