December 14, 2012 2014 Chevrolet Silverado & GMC Sierra unveiled [VIDEOS UPDATED] Edit Delete Tags Autopost General Motors has officially unveiled the 2014 Chevrolet Silverado and GMC Sierra ahead of their debut at the North American International Auto Show. Source: http://feeds.worldcarfans.com/~r/worldcarfans/Jxfz/~3/6psUTB3bqlo/2014-chevrolet-silverado--gmc-sierra-unveiled-videosTaki Inoue Innes Ireland Eddie Irvine Chris Irwin JeanPierre Jabouille