The official Gran Turismo site has just released more information for the upcoming retail release of Polyphony Digital's Gran Turismo 5 Prologue. So, what sort of automobile goodness is set  for Japan? We're spotting a total of 37 cars, 5 online modes, and 5 different tracks. More details on these features are up ahead in the full article.

Website GT Channel is claiming that its staffers got a copy of an almost complete list of cars that will be appearing in Polyphony Digital's Gran Turismo 5 Prologue.

Before we give you the supposed list, GT Channel also added that one of their sources told them that the other circuits included in GT 5 Prologue will either be Laguna Seca, Infineon or Nordschliefe.

Check out the unconfirmed but exciting car list via the "read more" link below.