Next Generation Sierra Heavy Duty | Engineered to Conquer: Advanced Powertrains | GMC

Next Generation Sierra Heavy Duty | Engineered to Conquer: Advanced Powertrains | GMC



Delivering an available 910 lb-ft of torque and 445 horsepower, 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 advanced powertrains that help you tow with command and control.

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