This is a popular standalone Windows application. It allows you to filter your results, such as choosing to only randomize within a specific car class or including/excluding Kart and Rallycross tracks.
Manually select the car and track layout suggested by the randomizer. project cars 2 randomizer
Since these tools are external, they require a bit of manual setup within the game: This is a popular standalone Windows application
Adjust the race settings to match the generated weather and time. If you want a more authentic experience, ensure Realism Settings like tire wear and fuel usage are enabled. project cars 2 randomizer