The most-reported STS run is 1G6DW677260 (2006 builds) with 11 complaints, 4.1× the typical run. Air bags problems make up 28% of reports; 2006 is the worst model year at 4.3 complaints per run; NHTSA lists 6 recall campaigns for STS model years 2005–2008.
Which build runs owners report most
A production run is the first 11 characters of the VIN: plant, model year, body and engine. The Cadillac STS has 129 of them on record. The five runs at the top of this table hold 15% of every STS complaint on file.
| Production run (VIN 1–11) | Year | Complaints | Involved a crash | Fire |
|---|---|---|---|---|
| 1G6DW677260•••••• | 2006 | 1 | — | |
| 1G6DW677560•••••• | 2006 | — | — | |
| 1G6DW677960•••••• | 2006 | — | — | |
| 1G6DW677460•••••• | 2006 | — | — | |
| 1G6DW677360•••••• | 2006 | 2 | — | |
| 1G6DW677860•••••• | 2006 | 1 | 1 | |
| 1G6DW677760•••••• | 2006 | 1 | 1 | |
| 1G6DW677250•••••• | 2005 | 2 | — | |
| 1G6DW677X70•••••• | 2007 | — | — | |
| 1G6DW677650•••••• | 2005 | 1 | — | |
| 1G6DW677270•••••• | 2007 | 1 | — | |
| 1G6DC67A650•••••• | 2005 | 2 | 1 |
Each of the other 117 STS runs has 6 complaints or fewer. ForCar has checked 14 STS VINs so far, most often 2005, 2008, 2006 builds.
Which model years to check twice
Complaints per production run, so a year that simply sold more does not top the list. On the Cadillac STS the gap between build years is 3.9×: a 2006 car draws 4.3 complaints per run, a 2003 one 1.1.
| Year | Per run | Complaints | Runs | Crashes |
|---|---|---|---|---|
| 2011 | 7 | 4 | 1 | |
| 2009 | 15 | 11 | 4 | |
| 2008 | 42 | 25 | 3 | |
| 2007 | 47 | 20 | 5 | |
| 2006 | 126 | 29 | 14 | |
| 2005 | 85 | 25 | 10 | |
| 2004 | 5 | 4 | — | |
| 2003 | 8 | 7 | 1 | |
| 2002 | 6 | 5 | — |
Heaviest year here is 2006 at 4.3 complaints per run; lightest is 2003 at 1.1.
What to inspect on this car
One system accounts for 28% of everything Cadillac STS owners report: Air Bags, 91 of 342 complaints. Start the pre-purchase inspection there.
| System | Complaints | Involved a crash | Fire |
|---|---|---|---|
| Air Bags | 16 | 1 | |
| Electrical System | 4 | 6 | |
| Engine | 2 | 1 | |
| Power Train | 3 | 1 | |
| Fuel/propulsion System | — | 3 | |
| Service Brakes | 6 | 2 | |
| Engine And Engine Cooling | 2 | 1 | |
| Steering | 3 | — |
Recalls to check against your VIN
NHTSA has 6 recall campaigns on the Cadillac STS; the 6 below cover build years 2005 to 2008. These are for the model and year; whether one is still open on a given car, only that VIN can tell.
| Campaign | Component | Model years |
|---|---|---|
| 07V589000 | Power Train:axle Assembly:axle Shaft:seal | 2005–2007 |
| 14V542000 | Fuel System, Gasoline:delivery:fuel Pump | 2006–2007 |
| 06V020000 | Fuel System, Gasoline:delivery | 2005–2006 |
| 08V108000 | Exterior Lighting | 2008 |
| 06V007000 | Vehicle Speed Control | 2006 |
| 06V125000 | Suspension:rear | 2005 |
07V589000 was opened in 2007 on cars built from 2005: 2 years on the road before the recall.
The STS against its rivals
The STS draws 2.7 complaints per production run; the Infiniti G25 1.3, the Saturn Aura 10.7 and the Pontiac Grand Prix 4.4.
| Model | Complaints | Runs | Per run | Involved a crash |
|---|---|---|---|---|
| Cadillac STS | 342 | 129 | 11.1% | |
| Infiniti G25 | 28 | 21 | 10.7% | |
| Saturn Aura | 1,284 | 120 | 3.3% | |
| Pontiac Grand Prix | 3,552 | 803 | 5.4% |
How serious were they
Of the 342 reports on the Cadillac STS, 11.1% involved a crash against 5.8% across all vehicles, above the norm.
| Outcome | Cadillac STS | All vehicles |
|---|---|---|
| Complaints filed | 342 | 1,115,966 |
| Involved a crash | 38 (11.1%) | 64,194 (5.8%) |
| Involved a fire | 10 (2.9%) | 26,974 (2.4%) |
| Injuries reported | 27 | 58,013 |
| Deaths reported | 0 | 2,728 |
Crash-related reports run 91% above the all-vehicle rate.
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How this check works
The file behind this page holds 1,115,966 complaints filed with NHTSA between 1981 and 2026, across 298,921 production runs. The Cadillac STS share of that is 342 complaints over 129 runs, 0.03% of everything on record.
Frequently asked questions
How do I check a Cadillac STS VIN for free?
Enter the 17 characters above. ForCar matches the first eleven, the production run, against 342 NHTSA complaints from 129 STS runs and 6 recall campaigns. No account, no card.
Which STS production run has the most complaints?
1G6DW677260, a 2006 build, with 11 complaints, 1 of them after a crash. The typical STS run has 2.7.
Which STS years have the most complaints?
Per production run, 2006 is heaviest at 4.3 complaints per run and 2003 lightest at 1.1.
Does the STS get more complaints than the Infiniti G25?
Yes: 2.7 complaints per production run for the STS against 1.3 for the Infiniti G25.
How many STS complaints involve a crash?
11.1% of 342 reports, against 5.8% across all vehicles; 10 involved a fire.
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