Uploaded August 2024 | Updated September 2026, 5 days ago

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Meet the New 2024 GMC Sierra Heavy Duty. There’s DNA, then there’s Heavy Duty DNA—HDNA. It’s what every GMC Sierra HD driver is born with. ​And it’s engineered into every aspect of the GMC Sierra HD, with the pulling power to prove it. ​Tow hitches of the world, prepare for glory.

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