Cars include the 2014 Rolls-Royce Wraith, a first for video games; the all-electric 2014 Renault Spark SRT_01E; the 2013 Vauxhall Astra 1.6 Tech Line, Top Gear's current reasonably priced car; the Infiniti 2014 Infiniti Q50S and 2014 Infiniti Q50 Eau Rouge; and the 2015 Ford Mustang GT. You can see all the cars in the gallery below.
The free new cars will arrive in Forza Motorsport 5 as part of an update designed to improve livery caching and compatibility with Thrustmaster and MadCatz wheels.
For more on the Xbox One launch title, be sure to read and watch Polygon's Forza Motorsport 5 review. Check out Polygon's Xbox at Gamescom 2014 StoryStream for more news.