Originally Posted by Kazunori Yamauchi
This video "Vision Gran Turismo" is a concept movie as a progress report for the GT series making headway to PS3. The Lanser Evolution and the RX-7 in Tokyo International Forum in the first scene are full-spec high-detailed models created for PS3.
The following scene with cars running is a kind of "hybrid" movie in which the modeling data used in GT4 are decorated with PS3 rendering. It's an experiment with the theme of how far lightweight data for PS2 can reach in terms of image quality with rich rendering.
http://gametrailers.com/player.php?id=7699&type=wmv