Best game racing in which you played ?

Flatout 2, NFS mw(2005) and GTR 2.

I love Split/Second

I don't really play racing games, but I remember that I had a lot of fun with Burnout 3:Takedown on PS2.

NFS Underground 2

DiRT 3

TDU2
GRID
DIRT Series
SHIFT Series

Good old Need for Speed Most Wanted.

FlatOut 2

On steam: ZERO GEAR

NFSU 2

GRID.

need for speed most wanted singleplayer and hotpursuit multiplayer.

Both Test Drive Unlimited games and Need for Speed Hot Pursuit 2.

Ridge Racer: Type 4

You all crazy

how dare u talk about another racing game when there is a huge awesome game that no other racing game can be as good as this game...

NeedForSpeed TheRun

Carbon.

Burnout 3: Takedown

Fun: Trackmania Nations (free)
Realistic: iRacing, RaceRoom Racing Experience

Race 07 with DLCs

These 3 games are kinda racing but I'll put 'em here: Spy Hunter, Stuntman (Greatest damn action game you can get), Stuntman Ignition.

They were all awesome

Burnout, Track mania and Forza :D

Colin McRae Rally 2.0 but I'm not a big fan of the genre, didn't play 90% of the games mentioned here.

DiRT3 and NFS Porsche