Robert_Charlton - 7:46 pm on May 15, 2011 (gmt 0)

It's a hodge-podge of forums, dealer directory, classifieds, and other things.

These suggest user engagement with the site, which is something that Google likes. Again, no single factor wins, but some combinations may outweigh other combinations. Here, user-engagement (to the degree it's happening), may be more important to Google than organization.