Like so many other new racing games, Gran Turismo 5 simply thrives on downloadable content without devaluing the preexisting content. Upcoming DLCs for the game will offer a wide array of new cars, including F1 models and god knows what else. I'm no car expert.
Gran Turismo 5 DLC Cars Unveiled in New Screenshots
A whole batch of new rides can be seen in these new screenshots of Gran Turismo 5’s upcoming DLCs.