Originally Posted by: MoJo SpeedDemon 
Would like to know as well.
How bout having Forza 5 tokens new purchases counting towards the Forza 4 for rewards.
Sound like a quick and easy solution to me
This. Epic solution, smart and fair for everyone.
Also, since the auction house cheevo is not obtainable anymore, they should just give it to fm2 players. Some of us are die hard completionists, we need this :-D
Such an awesome game series deserves an equally awesome loyalty program, fair to new players.