Project Gotham Racing 4 is a developed by and published by . It was released exclusively for the in October 2007
Project Gotham Racing 4 was accidentally leaked by a press release for a competition for a car designed by a contestant to be featured in the game before the announcement by Bizarre Creations. The competition was won by Mihai Panaitescu with the .
Shortly after, the game was confirmed at , with a trailer titled Eclipse shown. The trailer was made available to download on the . The car featured in the trailer is a . The song in the trailer is "Shadow" by remixed by Chris Chudley from .
Microsoft announced at the 2007 E3 that Project Gotham Racing 4 would be released in September 2007. Bizarre subsequently said that game wouldn't be released "until it's done" citing reasons that they had spent a substantial amount of money and time on the game: "We feel like we've got more time [on Project Gotham Racing 4]. Last time round, we feel like we got the game ripped away from us", said Brian Woodhouse of Bizarre Creations.
Having since been acquired by , Bizarre announced that Project Gotham Racing 4 will be their last game produced for distribution by .
Microsoft re-released the game under its "Classics" banner on 20 March 2009