During economic boom times, luxury cars are more popular – especially those on the lower end of the pricing spectrum. Last year, however, something remarkable happened when a new model not only became the most popular vehicle in the segment, but did so by more than doubling the sales of the second-ranked nameplate. This guide contains the 10 best-selling luxury cars in America. They’re listed in reverse order of sales popularity* from 10th most popular to the most popular.