Which will be 2014's best-selling racer on PS4 + XB1?

[GTAexpert]

killpass said:
For me its Forza Horizon 2 no doubt. This is the best among the list so far.

You can't call it the best until you've played every one of those. Anyways this thread isn't about picking a favourite, its about picking the one which you think will sell the most on PS4 + XB1.