@agha
Most of the suggestions are good and worth a look but unfortunately bandwidth consumption and availability in Pakistan is not going to help. In my view just a few additions might be enough, like Avatars, user mode (online/offline), and most importantly the ability to check rides of members by just clicking the handle instead of going through the pain of searching by make/model in member's ride section.
Another thing, although a little complicated (copyright) but still possible, the ability to upload mp3 files. Not music but engine revs, race sounds, and some other things similar to it.
One last thought, access of Telephone directory only to assured members to stop abuse.
More thoughts in the pipeline.