The new version is much more complex. For example, if the main character takes drugs they take effect. The shots will be more realistic so that in some contexts the user will have greater difficulty to target.
Regarding other details of Grand Theft Auto V, should be noted that the game will allow up to 32 users on Xbox and PS3 and will have a map of 5x times higher than its predecessor, consisting of three sections. The main character can fly planes and their weapons can be costumize.
Regarding the launch, the game would take at least another six months to reach a full version. However Grand Theft Auto will be available in this year's E3 demo version. The game is expected to be released in May next year.