The 2005 Chrysler 300 runs on regular unleaded.
The 2010 Chrysler 300 has a 4-speed automatic.
The 2006 Chrysler 300 has a 4-speed automatic.
The 2008 Chrysler 300 has a 4-speed automatic.
The 2009 Chrysler 300 has a 4-speed automatic.
The 2007 Chrysler 300 has a 4-speed automatic.
The 2012 Chrysler 300 has a 8-speed shiftable automatic.
The 2014 Chrysler 300 has a 8-speed shiftable automatic.
The 2013 Chrysler 300 has a 8-speed shiftable automatic.
The 2011 Chrysler 300 has a 5-speed shiftable automatic.
manual In the USA they are all automatic.
Mopar ATF+4