5. Mercedes AMG GT4
For the first time, Mercedes has plans to extend on a large base a sport model from AMG. So, from the new sports car AMG GT launched at the end of 2014 will be derivated not only a roadster version like SLR and SLS AMG in the past but also a foor door coupe AMG GT4 which will compete against Porsche Panamera.
You can read more here.