Every man needs a truck at some point, so why not own the most powerful Sierra GMC has ever made? Their 2015 GMC Sierra 2500 HD features a perfect blend of power, capability, and refinement thanks to a 400 horsepower 6.6-Liter Duramax Turbo Diesel engine good for 765 pound-feet of torque, IntelliLink connectivity, and a newly designed interior and exterior that boast more storage capacity, reduced road noise, and enhanced engine cooling for more consistent riding. Available early next year. – $TBA
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