2009 Cadillac STS: common problems and reliability
One of the better STS years.
15 owner complaints, most about air bags. No recalls.
Should I buy a 2009 STS?The 2009 Cadillac STS has 15 owner-filed NHTSA complaints and 0 recalls on record. The most-reported areas are air bags and electronic stability control (esc).
Safety record for the 2009 model year
Source: NHTSA complaints and recalls filed for 2009 Cadillac STS vehicles (US, public record).
The Year Score compares this year with other STS years only. How we score it
Is 2009 a good year for the STS?
Across the 7 STS model years we track, complaint volume runs from 4 (2010) to 141 (2006). With 15 complaints, the 2009 STS sits below the model's median of 50.
These are raw NHTSA complaint totals, not adjusted for how many cars sold or how long each model year has been on the road. Older and higher-selling years accumulate more complaints.
Where owners report problems
What owners say across generations
Sentiment is mixed and heavily dependent on model year and powertrain.
Owner insights cover all generations of the STS. See the full STS owner picture and every model year.
Typical used price
Used STS listings typically run $6,080–$9,349 across 2005 to 2011 model years.
Other STS model years
Compare every STS year side by side to see how 2009 ranks against the rest.
Compare the STS against its rivals
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