Over on the Xbox Live Marketplace you can now download the PGR3 style pack for 400 points which includes twelve new vehicles. You can download individual cars from the pack at 60 points each, or just grab the RUF R.K. Spyder for free.
The new vehicles are as follows:
365 GTB4 (“Daytona”)
BMW M3 CSL
BMW M6
BMW MINI COOPER S
BMW Z8
Chrysler Firepower Concept
Ferrari 430 Challenge
Gumpert Apollo Coupe 4.2 V8
Mercedes CLK DTM AMG Class
Pagani Zonda F
Vanwall GPR V12
RUF R.K. Spyder
This download should be available to all Xbox Live regions.