[Bug 30655] DiRT 2 Demo: Low (1 - 3) FPS during race, but not in in-game menus.

https://bugs.winehq.org/show_bug.cgi?id=30655

--- Comment #8 from Austin English  ---
(In reply to Linards from comment #7)
> (In reply to hanska2 from comment #6)
> > Please give updated info with more recent wine.
>
> Sorry, I will try, but I am blocked by this bug:
>
> https://bugs.winehq.org/show_bug.cgi?id=34008
>
> I have GRID 2 installed on default prefix along with bunch of other apps
> that I use ... do not want mess up prefix. Winetricks should be safe enough,
> right?

Use a fresh prefix, see http://wiki.winehq.org/FAQ#wineprefix

You can try disabling d3d11.dll in winecfg, to work around bug 34008.