Tom's Hardware Guide published a review on DiRT 4 Performance
A quote from the article:
Codemasters recently released the 12th title in its Colin McRae Rally series, called DiRT 4. Let's see how it performs across eight mid-range graphics cards. Codemasters recently released the 12th title in its Colin McRae Rally series, called DiRT 4. The game is based on the in-house EGO 4.0 engine, which was also used in F1 2015, F1 2016, and F1 2017. As we've seen from this franchise before, DiRT 4 serves up classic rallycross courses; the landrush mode with stages in California, Nevada, and Mexico; and joyride mode for multiple players.DiRT 4 Performance Review @ Toms Hardware
While this is a multi-platform game (available on Windows, but also for the PlayStation 4 and Xbox One), DiRT 4 remains limited to DirectX 11 support.