What's Wrong with the 1st Generation STS (2005—2011)?

Owners of the 1st generation STS have sent in 29 complaints over 7 model years. The overall PainRank™ of 1.47 ranks 18th in reliability out of 37 Cadillac generations.

Complaints By Model Year

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Year Complaints
2005 7
2006 11
2007 5
2008 3
2009 0
2010 0
2011 3