Why Forza Motorsport 5 has fewer cars and tracks than Forza 4

[Chris Hu]

Nsanity said:
Turn 10 have a contract with Microsoft to have a Forza game out every two years.

I have a strong suspission that the next one might not come out until 2016 since one of the rewards attached to it via the Forza rewards program is to play it for 1000 days.