GM unveils new GMC Sierra and Silverado pickups General Motors unveils its redesigned GMC Sierra and Silverado pickup trucks to go on sale next summer. Share on FacebookPost on XFollow us By Stingray Branding|2012-12-13T09:41:55-05:00December 13th, 2012|Job openings|Comments Off on GM unveils new GMC Sierra and Silverado pickups Share This Story, Choose Your Platform! FacebookXRedditLinkedInTumblrPinterestVkEmail