2008 Maserati is preparing a large coupe based on the Quattroporte saloon and meant to compete against luxury GTs such as the Mercedes Benz CLS or Bentley Continental GT. Spy photographers have caught in tests at Nurburgring a large Maserati coupe very similar to the Quattroporte. Overall proportions and visible design details clearly point that this future coupe is closely based on the Maserati