Codemasters is offereing GRID + GRID2 + Dirt 4 discount + F1 2017 discount + other stuff in a nice humble... I mean, bundle.

https://www.humblebundle.com/games/codemasters-racing-2017

As far as I got it, you can get all of that for 10 bucks.

Example - GRID2

Some are for PC and/or MAC, or even Linux. 

They’re offering F1 2011/12 + stuff for a penny (or a dollar), and there is another pack of stuff for $15.

F1 2011 

Go dig it!