A new Maserati Quattroporte is displayed on the Promenade des Anglais during an international presentation to the media in Nice, December 10, 2012. Italian luxury sportscar maker Maserati unveiled its new Quattroporte sedan on Monday, the first of three new models to go head-to-head with German premium brands Audi, Mercedes and Porsche in the U.S. market. REUTERS/Eric Gaillard (FRANCE - Tags: TRANSPORT BUSINESS)