The game will be around for 5 years, at which point Invictus will look at renewing the contract for an extended period of time.
All old tracks, modes, and cars from other builds of the game will be ported over in time.
New content that has never been in the game will be added after the content above has been added.
Dude who can't get XP, sounds like you just need to get good dude.
An added note to keep in mind about this revival of PT. This has been revived by fellow fans just like you, not by invictus. There was a crowdfunding to purchase publishing rights from invictus so that the game could be revived. This being said all of the people working on it at the moment are not getting paid to work on it and have normal jobs they work every day as well as families. They are working on this game in their free time out of passion and love for the game. So things won't be added on the fastest of time scales. In the beginning things will be slow, until the game sees money coming in to start hiring people to work full time on the game. You are at the ground floor of this revival and will see the game grow and become not only as good as it once was, but better than it was. However it is going to take time and effort and support from the community that loves the game, that would be us. So be patient and slow the rate at which your expectations are running. Thank you.