Like its corporate sibling, the Chevrolet Silverado heavy-duty pickup, the GMC Sierra HD inherits an overhauled Duramax diesel engine option for 2017, which brings with it a nifty hood scoop. A 360-hp gasoline-fueled 6.0-liter V-8 remains standard and does not get the hood scoop. The V-8 diesel engine really is the big news in heavy-duty […]
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