Gran Turismo Wiki is a wiki site, much like Wikipedia, that aims to create a comprehensive encyclopedia of all facts and tidbits related to Gran Turismo. GTW is the world's largest repository of Gran Turismo information. It is created, maintained, and edited by Gran Turismo fans from around the world. Gran Turismo Wiki was founded in August 2008 by Gp75motorsports. Currently it has articles with edits between them. This is a wiki site, which means anyone can edit. See that tab on the top of the page? Just click that and follow these steps to edit.