Though many doubts surfaced when it was announced, this big luxury five-door hatchback is now available. The definitive version keeps the sleek silhouette of the concept vehicle. We can safely assume we are assisting to the creation of a new luxury vehicle category, since Porsche has done something similar with its Panamera. The British car is powered by a 470 horsepower 6.0-litre V16 engine and is said to be more elegant than the Panamera.