Microsoft has announced that a "limited" number of the first copies of upcoming racer Forza 4 will include five free cars.
The vehicles in question are the Ford Mustang GT Coupe 1965, Koenigsegg Agera 2011, Lexus SC300 1997, RUF RGT-8 2011 and the electric Telsa Roadster Sport 2011.
A Collector's Edition has also been confirmed, though details of its content will not be released until a later date.
Developer Turn 10 has also announced that the Ferrari 458 Italia is to be the game's cover star. The car itself has been extensively modelled in-game.
And Forza 3 players will be able to use a new feature called Profile Import that gifts players additional cars, credits and bonuses according to the amount of time ploughed into the last game.
Any liveries created in Forza 3 will also be automatically imported.