In order for you to play Automobilista 2 on Linux with minimal graphics settings, your computer must meet the following requirements
Operating System:
SteamOS
Processor (CPU):
3.5 GHz Intel Core i5 3450 or AMD FX-8350
Memory (RAM):
8 GB RAM
Graphics Card:
GTX680 or equivalent
Storage:
120 GB available space
Sound Card:
DirectX compatible sound card
In order to play Automobilista 2 on Linux with maximum graphics settings, you need a computer with a configuration no worse than the following
Operating System:
SteamOS
Processor (CPU):
Intel Core i7 8700K / AMD Ryzen7 2700X
Memory (RAM):
16 GB RAM
Storage:
120 GB available space
Sound Card:
DirectX compatible sound card