3.8 or 3.9 liter
The 2004 Ford Mustang has a V6 engine.
The 2006 Ford Mustang has a V6 engine.
The 2006 Ford Mustang has a 4.0L V6
The 2014 Ford Mustang has a V6 engine.
The 2011 Ford Mustang has a V6 engine.
The 2003 Ford Mustang has a V6 engine.
The 2005 Ford Mustang has a V6 engine.
The 2009 Ford Mustang has a V6 engine.
The 2010 Ford Mustang has a V6 engine.
The 2008 Ford Mustang has a V6 engine.
The 2002 Ford Mustang has a V6 engine.
The 2001 Ford Mustang has a V6 engine.