The 2003 Cadillac CTS runs on regular unleaded.
The 2004 Cadillac CTS has a 5-speed manual.
The 2008 Cadillac CTS has a 6-speed manual.
The 2012 Cadillac CTS has a 6-speed manual.
The 2005 Cadillac CTS has a 6-speed manual.
The 2009 Cadillac CTS has a 6-speed manual.
The 2007 Cadillac CTS has a 6-speed manual.
The 2006 Cadillac CTS has a 6-speed manual.
The 2011 Cadillac CTS has a 6-speed manual.
The 2010 Cadillac CTS has a 6-speed manual.
The 2014 Cadillac CTS has a 6-speed shiftable automatic.
The 2013 Cadillac CTS has a 6-speed shiftable automatic.