2006 Cadillac STS vs 2008 Cadillac STS
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 7, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2006 Cadillac STS | 2008 Cadillac STS |
|---|---|---|
| NHTSA complaints | 139 | 50 |
| Recall campaigns | 4 | 1 |
| Service bulletins (TSBs) | 755 | 1,037 |
| Investigations | 1 | 0 |
| Crash reports | 16 | 6 |
| Fire reports | 6 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 17–19 | 16–20 |
| Median reported incident mileage | 73,000 mi | 70,000 mi |
Reported problems side by side
| Component | Cadillac STS | Cadillac STS |
|---|---|---|
| Air Bags | 57 | 11 |
| Electrical System | 21 | 8 |
| Engine | 20 | 9 |
| Fuel/propulsion System | 18 | 4 |
| Power Train | 13 | 6 |
| Electronic Stability Control (esc) | 8 | 3 |
| Vehicle Speed Control | 6 | 5 |
| Engine and Engine Cooling | 8 | 2 |
Symptoms owners describe
| Stalling | 17 | 0 |
| Airbag warning light | 17 | 0 |
| Check engine light | 7 | 6 |
| Loss of power | 5 | 0 |
| Hesitation / surging | 5 | 0 |
2006 Cadillac STS
2008 Cadillac STS
Compare all Cadillac STS vs Cadillac STS years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.