2011 Cadillac STS problems
Light NHTSA footprint — 7 owner complaints. Either a clean record or thin data; we'll show what's there.
The 2011 Cadillac STS has 7 NHTSA owner complaints on file (U.S. federal records, as of August 2026). The most-reported system is electrical at 3 complaints, typically surfacing around 36,500 miles (~$850 to repair). Source: NHTSA Office of Defects Investigation.
| Model year | Owner complaints | Recalls |
|---|---|---|
| 2008 STS | 50 | 1 |
| 2009 STS | 15 | 0 |
| 2010 STS | 4 | 0 |
| 2011 STS (this page) | 7 | 0 |
Limited NHTSA data — only 7 complaints on file. The score reflects what's reported, but a small sample skews easily.
Only 7 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data.
Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.
NHTSA crash-test safety ratings
Driver-assist features on the tested model: Electronic stability control: Standard · Forward collision warning: Optional · Lane departure warning: Optional
Source: NHTSA New Car Assessment Program — tested configuration: 2011 Cadillac STS 4 DR AWD. Stars rate crash protection in NHTSA's tests, not overall reliability — see the owner-complaint data below for what actually goes wrong.
Top trouble spots 1 category with 3+ complaints
What owners are saying recent NHTSA-filed complaints · verbatim
We own a 2011 Cadillac sts. Recently my wife was leaving for work and all of a sudden I felt the house shake. My wife was reversing out of the driveway when she applied the brakes. The pedal was so hard she could not press the pedal down. To avoid a crash she put the car into…
When I backed out of my carport and applied my brakes it wouldn't stop. I took it to the dealership and they couldn't make the car do it again. The brakes when I back up still does not stop my car intermittently, until I step on brakes 3 or 4 times. This is frightening. The…
2011 Cadillac sts. Consumer writes in regards to cruise control activated on its own. *smd updated 09/17/15*lj updated 09/21/15.*jb updated 09/22/15*jb
Tl* the contact owns a 2011 Cadillac sts. While driving at 40 MPH, all the instrument panel lights failed to illuminate, the navigation system failed to function, and the back up sensors chimed without any object behind the vehicle. In addition, the vehicle stalled. The contact…
Estimate your repair exposure
Drag to your current mileage. Numbers are derived from this vehicle's complaint history.
Common questions
Is the 2011 Cadillac STS reliable?
Limited NHTSA data. Only 7 owner complaints have been filed for the 2011 Cadillac STS, which is not enough for a meaningful reliability score. Active recalls (if any) are listed on this page and remain authoritative — those are verified defects regardless of complaint volume. For a confident reliability read we look for at least 10 owner complaints in the federal database.
Should you avoid the 2011 Cadillac STS?
Only 7 NHTSA complaints on file — too few for a confident reliability call. Could be a clean record or just thin data. We don't issue a buy/avoid verdict on the 2011 Cadillac STS without a meaningful complaint sample — doing so off a handful of filings would be guesswork.
What should I check before buying a used 2011 Cadillac STS?
There isn't enough NHTSA complaint data on the 2011 Cadillac STS to flag a standout failure pattern. Run the VIN for open recalls — those are free to fix regardless of warranty — get a standard pre-purchase inspection, and ask the seller for service records.
Is the 2011 Cadillac STS a good used car to buy?
Hard to say from federal data alone — only 7 owner complaints have been filed. Lean on the recall list above, a pre-purchase inspection, and a vehicle-history report on the specific VIN. Our data tells you what the model is known for; a history report tells you what that exact car has been through.
What's the most common problem on the 2011 Cadillac STS?
Based on NHTSA records, the most-reported issue is electrical, with 3 complaints filed. Typical failure occurs around 36,500 miles. Average repair cost runs about $850 at an independent shop.
What's the most expensive thing that goes wrong?
The electrical is one of the costlier repair items. Average repair cost runs about $850 at an independent shop. Typical failure occurs around 36,500 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.
How do I check if my Cadillac STS has open recalls?
Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.
Is an extended warranty worth it on a 2011 Cadillac STS?
Hard to say from NHTSA data alone with only 7 complaints on file. A quality service contract runs $1,800–3,500 over 3 years. The decision comes down to your specific situation: vehicle cost, miles on it, how long you plan to keep it, and whether you can absorb a $3K–$8K repair without straining cashflow. With limited public data on this vehicle, lean on the recall list above and check owner forums before committing.