One other data point for Gran Turismo 5: one of the premium cars is "Nissan GT-R Black Mask". It is the R35 GT-R with the front and back of the car masked, as Nissan did when taking the GT-R to the Nurburgring before its formal unveiling. The GT-R appeared at Goodwood 2007 in this state: http://jalopnik.com/271968/spy-photos-nissan-gt+r-spotted-at-goodwood-festival-of-speed

GT5 has four R35 GT-Rs: the normal one, the "SpecV" version, the 2005 prototype, and the "black mask" version.