Which graphics cards and driver versions are supported by DiRT 4?

The graphics card series and driver versions below have been tested, and these and higher series or versions will run the game without issues:

Nvidia

Series: 680
Driver version: 418.43

NOTE: Open-source Nvidia graphics drivers are not currently supported by DiRT 4. Unfortunately, the current open-source Nvidia drivers do not support a number of the graphical features used in the game.

AMD

Series: R9 285
Driver version: MESA 18.3.4