20/06/2008 10:02. Does the world need a four-door coupe? Hmm. Try asking Mercedes-Benz, whose sleek CLS inspires outbreaks of green-eyed jealousy amongst other Mercedes owners. Now Benz’s European rivals are starting to follow suit, as evidenced by the upcoming Porsche Panamera, Aston Martin Rapide and, at a slightly lower end of the price spectrum, the new Volkswagen Passat CC. The four-door coupe might just be here to stay, after all. —Andrew English // Popular Mechanics