A AutoNews Joined Dec 17, 2008 Threads 2,624 Messages 2,624 Jan 22, 2012 #1 General Motors will do more to differentiate the GMC Sierra from the Chevrolet Silverado when redesigned versions of the pickups go on sale in the first half of 2013. Link
General Motors will do more to differentiate the GMC Sierra from the Chevrolet Silverado when redesigned versions of the pickups go on sale in the first half of 2013. Link
