Alfred had to go pick up all the parachutes the batmobile used
The Joker's car was formerly a jalopy used in an Elvis movie "Easy Come Easy Go"
These are the most unusual, for the list of 9, see http://www.breakdowncover.org/blog/9-coolest-batman-vehicles They missed Batgirls motorcycle http://justacarguy.blogspot.com/2010/01/batgirls-motorcycle-not-what-shed-get.html