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