2011 Cadillac STS
This year drew 7 complaints, which is too few to read anything into. A share of a small number moves too much: one owner writing about the same fault twice would swing it further than a real pattern does. So nothing is claimed about this year either way.
NHTSA opened a defect investigation into this model year.
| Complaints filed | 7 |
|---|---|
| Median for this model | 53 |
| Involving a crash | 1 |
| Recalls | 0 |
| EPA combined | 21 mpg |
How this was worked out
Every year of the Cadillac STS was compared against its own history rather than against other cars, which removes popularity and age from the answer — a common car draws more complaints at equal reliability, and an older one has had longer to accumulate them. A year is flagged when it drew at least 2.5× this model's median and at least 50 complaints.
This is a fault record, not a review. Nobody files a federal complaint to say the car was fine, so it shows what tends to go wrong — not whether owners liked it, and not whether it is a good car.
Source: NHTSA complaints, recalls and investigations, retrieved . Look this vehicle up directly on NHTSA's site to check anything here.
Own a 2011 Cadillac STS? What happened to yours?
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