Here it is, this is not the official trailer, it's a TV promotional from GameStop advertising that if you pre-order it a GameStop location, you earn $100,000 in-game.

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EDIT: The GTA Games I've played...
Grand Theft Auto (PC) - Played = Yes
Grand Theft Auto: London 1969, London 1961 (PC) - Played = No
Grand Theft Auto 2 (PC) - Played = Yes
Grand Theft Auto III (PC, PS2) - Played = Yes
Grand Theft Auto: Vice City (PC, PS2) - Played = Yes
Grand Theft Auto: San Andreas (PC, PS2, XBOX) - Played = Yes
Grand Theft Auto Advance (GBA) - Played = No
Grand Theft Auto LCS (PSP, PS2) - Played = Yes
Grand Theft Auto VCS (Only Played PS2 Version) - Played = I just said YES!
Grand Theft Auto IV (Only Played X360 Version) - Played = YES!
Grand Theft Auto IV: The Lost and Damned (XBLive) - Played = Downloaded but Not Played Yet...
Grand Theft Auto: Chinatown Wars (NDS) - Pre-ordered = Yes