2016 GMC Sierra 2500HD SLE Summit White 4WD Duramax 6.6L V8 Turbodiesel Allison 1000 6-Speed Automatic Recent Arrival! Awards: * 2016 KBB.com Brand Image Awards Reviews: * Impressive hauling and towing capabilities, refined and quiet ride, strong diesel engine, available CNG fueling for regular V8, solid build quality. Source: Edmunds
