I don't know how common some of these prices are, but there are some very good prices on some of these.
If you are not aware of what Steam is, it's basically an online service (that has been around a while and is well respected / trusted), that allows you to buy PC games so that you can download them to any PC you log into you account on. E.g. they essentially keep the game for you (no disc etc.). If you don't have a PC, but plan to soon, you can certainly purchase now and use later.
The group that runs Project Cars 2 here is contemplating an eventual jump to PC because the next Project Cars release totally eviscerate what the sim was (making it much more game like), so I am going to pick up AC at least in anticipation (and because it's so cheap).
If you have any personal experience with any of these, please do comment:
Seems like a great deal. There are lots and lots of additional Tracks and Cars created by users for this. Driving dynamics are apparently lean heavily sim.
Currently play this on PS4. Lots of real tracks, good car selection, lots of tuning options, very sim style driving.
Don't know anything about this one, I think it's good?
I have played a version of this on PS4, seems like a rather good rally sim.
This is more goofy fun, and it is goofy and fun.
This is an early release I don't know much about but have seen some of the demos. Some very interesting physics in it (crazy crash physics). Probably more goofy then sim, but I am not sure.
The various Need for Speed games also seem to be on sale.