There hasn't been specific details to see what is in the trailer, but:
Love the series of GTA, so can't wait to see the trailer.
EDIT: ITS HERE.
http://www.rockstargames.com/
SourceWith less than three weeks to go until Grand Theft Auto V's September 17 worldwide launch, Rockstar is still serving up new content for its open-world game. Today, the developer announced plans to release the game's "official trailer" this week.
Love the series of GTA, so can't wait to see the trailer.
EDIT: ITS HERE.
http://www.rockstargames.com/