https://www.motorauthority.com - Earlier this week we brought you spy shots of the 2019 Chevrolet Silverado 1500. Today we have the first shots of the pickup’s corporate cousin, the 2019 GMC Sierra 1500. The current Sierra was introduced in 2014 and updated in 2016. The Sierra seen here testing is more of an extensive update of the current model as opposed to a redesign. The spy shots reveal a number of visual tweaks such as the new headlights, grille and lower front valance. The fog lights also take on a vertical look instead of the horizontal design of the current model.