No, I don't think so. GT5's performance after the holidays hasn't exactly been stellar. Without the crazy legs granted to other GTs because of PS1/2's giant userbases and long term sales, I don't think it'll top 10m at all.
Could easily be wrong though - it did do pretty well in November/December.
“These are my principles; if you don’t like them, I have others.” – Groucho Marx