6 quarts
Seven qts with the 2.8 engine
11 qouets
If its a 3.6 that would hold 6 quarts of oil. Preferably synthetic.
Yhu will be good wid about 2 or 2.5 bottles Jo
The 2008 Cadillac CTS has 24 valves.
The 2004 Cadillac CTS has 24 valves.
The 2006 Cadillac CTS has 24 valves.
The 2007 Cadillac CTS has 24 valves.
The 2005 Cadillac CTS has 24 valves.
The 2010 Cadillac CTS has 24 valves.
The 2009 Cadillac CTS has 24 valves.