According to CarDomain Blog, the Japanese tuner Zele is working on a Gran Turismo Infinit G37 Coupe Concept.  In Japan the car is known as the Nissan Skyline Coupe, and is based on the car as seen in the most recent Gran Turismo video game.
Please note that the picture is not a photo from the tuner but a press shot from the Gran Turismo 5 game.

[Source: CarDomain via Carscoop]