Posted in FSC News, Top Stories 2013 GMC Sierra 1500 Review By: Jim on July 26th, 2012 2013 GMC Sierra Not many changes for the 2013 GMC Sierra except for two new exterior colors (Sonoma Red Metallic and Heritage Blue Metallic) and a new powertrain braking feature. 2013 GMC Sierra 1500 Review AutoGuide.com “As far as the full-size half-ton pickup market goes these days GMC’s Sierra 1500 and its Chevy twin the Silverado are amongst the segment’s elder statesmen. They’ve been around since the 2007 model year and while fresh at the time, today they’re …AutoGuide.com” http://www.autoguide.com/manufacturer/gmc/2013-gmc-sierra-1500-review-2130.html Share this 2013 GMC Sierra article below: