Next Generation Sierra Heavy Duty | Engineered to Conquer: Towing Capability | GMC

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  • Published on:  Tuesday, October 15, 2019
  • The most capable truck GMC has ever built, the Next Generation Sierra Heavy Duty was engineered to conquer. GMC Chief Engineer Marissa West gives an in-depth look at Sierra Heavy Duty’s powerful capability that helps you tow with command and control.

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