The Collector's Edition Upgrade is a downloadable upgrade for the standard release of Need for Speed: ProStreet that includes exclusive content.
It was made available for PlayStation 3 and Xbox 360 alongside the standard game in November 2007, but only through the online digital stores for either console as there was no boxed special edition released.
- Five stock cars
- Four career race days
- Prior to update 1.1, players could enter the cheat code COLLECTORSED, and unlock all collector's edition content for the PC release.