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Home / Research Our Makes / GMC Models / 2025 GMC Sierra 3500 HD in Carbondale, IL
front quarter view of the 2025 GMC Sierra 3500 HD towing a trailer

2025 GMC Sierra 3500 HD in Carbondale, IL

If you're in the market for serious power, the 2025 GMC Sierra 3500 HD in Carbondale, IL, is your go-to heavy-duty truck. With its bold, square-jawed styling and incredible towing capacity, the Sierra 3500 HD means business. Whether you're hauling heavy loads or towing up to 22,500 lbs. with the 470-hp Duramax turbodiesel V8, this truck delivers excellent performance. And it's not just about muscle—trims like Denali and Denali Ultimate offer premium comfort after a long day of hard work. We encourage you to visit the Chris Auffenberg Family of Dealerships and explore the 2025 GMC Sierra 3500 HD.

View Our GMC Sierra 3500 HD Inventory

Performance Specifications

Technology Highlights

Safety Systems

6.6-liter V8 gas engine or 6.6-liter Duramax Turbodiesel V8 engine
12.3-inch diagonal color Driver Information Center
Automatic Emergency Braking
Maximum horsepower: 470 hp
13.4-inch diagonal GMC Premium Infotainment System with Google built-in
Following Distance Indicator
Maximum torque: 975 lb.-ft.
Bose® Premium Series with a 12-speaker system with CenterPoint
Front and Rear Park Assist
Allison® 10-speed automatic transmission
Apple CarPlay® and Android Auto™ compatibility
HD Surround Vision

 

Is the 2025 GMC Sierra 3500 HD Worth Buying?

When it comes to heavy-duty trucks, the 2025 GMC Sierra 3500 HD doesn't just meet expectations—it redefines them. But is it worth buying? Absolutely, especially for those whose work demands power, durability, and versatility on a daily basis. For contractors and landscapers working late, the Sierra 3500 HD's cargo bed LED lighting is a game changer. If you're working into the evening and need to load up tools or materials, you can have the whole bed illuminated at the push of a button. That means no more fumbling in the dark. The four cargo tie-downs ensure that everything from lumber to lawnmowers stays securely in place, making it an excellent choice for those in construction or home improvement who need to transport equipment safely.  

A six-function GMC MultiPro Tailgate is an asset for anyone who spends their days loading and unloading. Whether you're a delivery driver or a farmer transporting goods, this tailgate makes accessing your cargo easy. The built-in hitch area lighting and power lock and release add even more convenience, especially for those who need to hitch up trailers before the sun rises or after it sets. Meanwhile, if you're a tradesperson or anyone who carries valuable tools, the hard-folding tonneau cover adds a layer of security, keeping your gear safe from both weather and theft. What's more, if you're a tailgating enthusiast or an event manager hosting a mobile event or company gathering, the MultiProâ„¢ Audio System by Kicker in the tailgate turns this pickup into an entertainment hub, with Bluetooth streaming that transforms your truck bed into a portable stage.  

For professionals working in rugged terrain—whether you're in forestry, mining, or agriculture—the off-road high clearance steps provide a secure footing, even in muddy, uneven environments. These textured steps make climbing in and out of your truck easier, no matter the terrain. Moreover, if you're on the road all day, like real estate agents or traveling salespeople, the power sunroof offers a breath of fresh air and a moment to enjoy the outdoors between appointments. Meanwhile, the solar-absorbing glass keeps the cabin cool, helping you stay comfortable even after a long day of driving. 

For anyone in logistics or transportation, the advanced trailering system simplifies the process of hitching and towing. The ProGrade Trailering System, combined with Hitch View, gives truckers and transport workers precision control when connecting trailers. Whether you're moving heavy machinery or livestock, these features make the job smoother and more efficient.

Get the 2025 GMC Sierra 3500 HD in Carbondale, IL!

If you're impressed by the 2025 GMC Sierra 3500 HD, we invite you to schedule a test drive or explore financing options at the Chris Auffenberg Family of Dealerships in Carbondale, IL. Our sales representatives will make your purchasing process hassle-free and fun.

Interested in a 2025 GMC Sierra 3500 HD?
dashboard view of the 2025 GMC Sierra 3500 HD
Cargo Bed in the 2025 GMC Sierra 3500 HD
Pro Grade Trailering System in the 2025 GMC Sierra 3500 HD

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