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Overview of the GMC Sierra 2500HD

The 2021 GMC Sierra 2500HD shines by giving you so many ways to customize the truck. Explore the different models to give you the size and engine performance that you demand. At Glockner of Ironton, we'll show you why the truck is so sought after with its "best-in-class" leg room, bed volume, and more.


Tech Highlights

The Sierra has a lot of technologies to fall in love with. There's an auxiliary trailer camera and a MultiPro audio system by KICKER. Smartphone connectivity also keeps you connected on and off the road. You can take advantage of up to 15 camera views to see what's going on as well as many other driver-assist safety features.


Design & Styling

With crew cab and double can options, you can have the space that you need throughout the interior. Premium materials ensure that your driving experience is a comfortable one. The 2021 Sierra 2500HD also offers the option of a power sunroof and power-retractable assist steps, complete with LED perimeter lighting.


Awards & Accolades

Every year, the GMC Sierra 2500HD wins awards for being a rugged pickup truck. It has been the winner of Motor Trend's Truck of the Year Award as well as's Best Pickup Truck Award. Countless reviews show that owners of the truck are happy with its performance, safety features, and towing capacity, too.


Shop the 2021 GMC Sierra 2500 Today!

*Starting at price for base Sierra HD. The Manufacturer's Suggested Retail Price excludes destination freight charge, tax, title, license, dealer fees and optional equipment. See your GMC dealer for details. Click here to see all GMC destination freight charges..