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2021 GMC Sierra 2500: Bigger, not necessarily better

This heavy-duty pickup is immensely capable but it's not a truck most people would want to live with on a daily basis.

craig-cole-hs
craig-cole-hs

Craig Cole

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2021 GMC Sierra 2500 HD AT4
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Nothing screams, "Get out of my way!" quite like a heavy-duty pickup truck.

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No matter the model, the current-generation Sierra's interior is lackluster at best.  

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With a crew-cab body, this is a seriously big vehicle.

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This crew-cab Sierra's rear seat offers miles of legroom and has nifty storage cubbies integrated into the backrests.

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The GMC Sierra offers the most innovative tailgate in the pickup business. Seriously, it's amazing.

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Under this truck's hood is a 6.6-liter gasoline V8 that delivers 401 horsepower and 464 pound-feet of torque.

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That engine is smooth and sounds good, though it doesn't feel particularly potent.

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The business end of this particular truck comes with a spray-in bedliner for maximum durability.

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It's impossible to miss this truck's imposing grille.

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For more photos of the 2021 GMC Sierra 2500 HD AT4, keep scrolling or clicking through this gallery.

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