The all-new 2017 Buick LaCrosse introduces the new face of Buick, influenced by the dramatic cues of the award-winning Avenir concept unveiled at the 2015 North American International Auto Show in Detroit and inspired by a Buick concept from the mid-20th century. The LaCrosse, which goes on sale in early summer 2016, features a new grille design with a large opening distinguished by the return of a three-color - red, silver and blue - Buick tri-shield...