The Ford F-150 and Other Top Sellers by Brand

When a certain website known for speaking The Truth About Cars recently promoted a story about the sales success of the Porsche Cayenne, there was the usual wringing of hands and gnashing of teeth from the automotive teeth-gnashers in the comments section. After all, with the big crossover responsible for almost 45 percent of Porsche’s U.S. sales last year, more than twice as much as the iconic Porsche 911 contributed to the bottom line, the brand is facing a serious identity crisis. But that also begs an important question for the industry as a whole: What percent of a given brand’s sales should its top seller account for? Let’s try to get a handle on that by checking out the usual mainstream suspects to see which ones are in danger of becoming one-trick ponies themselves.