Lexus LF-A Concept Preview – 2007 Detroit Auto Show: Originally shown in different form two years ago, the latest iteration of the Lexus LF-A Concept is much closer to production reality. To enthusiasts, this is a very good thing. It’s no secret to people who love to drive that Lexus has been flogging a sports car development mule around Germany’s famed Nurburgring race course, and the newest LF-A Concept provides an even clearer glimpse into the future of Japanese performance.