cars

From here:
” Earlier today we broke the news that some Grand Theft Auto IV gamers were having problems with the game on both the PlayStation 3 and Xbox 360.
“For them, the game was freezing up during the introductory cut-scene, something that neither I nor Mike experienced during our time with the game on both systems. [...]

On a wiki I Found, I see nicely done wiki (almost done).
Grand Theft Wiki
If you find a Banshee, Email the guy from this wiki and get him to put it on the page, tell him where you found it.
Same with the phoenix and other cars.
Heck if you see similar peds screen shot them and [...]