Buick Regal Buick LaCrosse Chevrolet Impala Published on October 28, 2015 in American Automotive Market Strategy of Toyota and OthersFull resolution (1200 × 2058) Buick Regal Buick LaCrosse Chevrolet Impala Comparison of the very similar models Buick Regal Buick LaCrosse Chevrolet Impala. (2011 Buick Regal GS photographed at the 2010 Washington Auto Show.; 2010 Buick LaCrosse CXL photographed in Woodbridge, Virginia, USA; and 2010 Chevrolet Impala photographed in Washington, D.C., USA.). Images File:2011 Buick Regal GS 1 -- 2010 DC.jpg; File:2010 Buick LaCrosse 2 -- 09-07-2009.jpg, and File:2014 Chevrolet Impala LTZ -- 2012 NYIAS 2.JPG all by IFCAR and kindly released in the public domain. Thank you, IFCAR!