Gran Turismo 5 > Halo 3 - Sales wise?

[Kantor]

Tyrannical said:
Bah, there is no guarantee it'll even outsell Forza 3. Or that it'll even be better.

GT is Halo and Forza is Killzone, in this instance.

I wouldn't be surprised if GT5 doubled Forza 3's sales.

One of them is coming off a 4.5 million seller, one is coming off a ten million seller. Hmm...