2006 Cadillac STS vs 2006 Toyota Prius
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 | 2006 Toyota Prius |
|---|---|---|
| NHTSA complaints | 139 | 1,439 |
| Recall campaigns | 4 | 6 |
| Service bulletins (TSBs) | 755 | 210 |
| Investigations | 1 | 3 |
| Crash reports | 16 | 82 |
| Fire reports | 6 | 5 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 17–19 | 46 |
| Median reported incident mileage | 73,000 mi | 50,000 mi |
Reported problems side by side
| Component | Cadillac STS | Toyota Prius |
|---|---|---|
| Exterior Lighting | 0 | 941 |
| Electrical System | 21 | 152 |
| Service Brakes, Hydraulic | 1 | 94 |
| Vehicle Speed Control | 6 | 84 |
| Air Bags | 57 | 30 |
| Service Brakes | 3 | 73 |
| Service Brakes, Electric | 1 | 45 |
| Engine | 20 | 25 |
Symptoms owners describe
| Stalling | 17 | 51 |
| Airbag warning light | 17 | 0 |
| Check engine light | 7 | 10 |
| Loss of power | 5 | 9 |
| Hesitation / surging | 5 | 30 |
| Brake problems | 0 | 41 |
| Overheating | 0 | 9 |
| Electrical failures | 0 | 8 |
2006 Cadillac STS
2006 Toyota Prius
Compare all Cadillac STS vs Toyota Prius 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.