Speaking in Z Channel: A Magnificent Obsession, a 2004 documentary on early cable television, screenwriter and director Alexander Payne said, “You don’t know you’re living in a golden age when you’re in it.” That may be true for cable—a business well past its prime—but those of us who keep tabs on the automotive industry recognize how stupendous it is at this very moment. Apparently, so do the people who afford the luxury cars we rave about on these pages.