Is there an iPhone app to search Auto dealers or to record phone conversations?
Is there an iPhone app to search car sales and auto dealers (autoTrader would be a great one) or also an app to record conversations while on the phone?

GetAuto can find car sales and dealers.

Website:
http://www.getauto.com/iphone.php
iTunes link:
http://itunes.apple.com/WebObjects/MZStore.woa/wa/viewSoftware?id=314843973&mt=8

You can’t record conversations. Unless you put the phone on speaker and have a separate audio recording device.