4L60E or 4L80E depending on engine, 1500, 2500, or 3500.
The 2009 GMC Savana has a 4-speed automatic.
The 2007 GMC Savana has a 4-speed automatic.
The 2004 GMC Savana has a 4-speed automatic.
The 2008 GMC Savana has a 4-speed automatic.
The 2010 GMC Savana has a 4-speed automatic.
The 2014 GMC Savana has a 4-speed automatic.
The 2001 GMC Savana has a 4-speed automatic.
The 2003 GMC Savana has a 4-speed automatic.
The 2002 GMC Savana has a 4-speed automatic.
The 2006 GMC Savana has a 4-speed automatic.
The 2012 GMC Savana has a 4-speed automatic.
The 2011 GMC Savana has a 4-speed automatic.