At the Sony announced that the launch of the "Gran Turismo 5 Prologue" will coincide with the start of the 40th Tokyo Motor Show 2007. The game will unveil a number of new cars, including the Nissan GT-R. The Nissan GT-R can be seen in these screen shots both with and without camouflage.
The demo for “Gran Turismo 5 Prologue” will be made available for download on October 20, 2007