2006 Chevrolet Trailblazer vs 2006 Mercury Mountaineer
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 Chevrolet Trailblazer | 2006 Mercury Mountaineer |
|---|---|---|
| NHTSA complaints | 1,107 | 117 |
| Recall campaigns | 8 | 1 |
| Service bulletins (TSBs) | 804 | 37 |
| Investigations | 4 | 0 |
| Crash reports | 29 | 6 |
| Fire reports | 59 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 14–16 | 15–16 |
| Median reported incident mileage | 68,000 mi | 58,945 mi |
Reported problems side by side
| Component | Chevrolet Trailblazer | Mercury Mountaineer |
|---|---|---|
| Fuel System, Gasoline | 437 | 3 |
| Electrical System | 251 | 9 |
| Exterior Lighting | 112 | 2 |
| Fuel System, Other | 113 | 0 |
| Power Train | 49 | 39 |
| Fuel/propulsion System | 76 | 2 |
| Engine and Engine Cooling | 24 | 43 |
| Engine | 43 | 14 |
Symptoms owners describe
| Check engine light | 110 | 0 |
| Stalling | 78 | 9 |
| Rust / corrosion | 19 | 0 |
| Loss of power | 14 | 0 |
| Electrical failures | 13 | 0 |
| Vibration / shaking | 8 | 0 |
| Brake problems | 6 | 0 |
| Won’t start | 5 | 0 |
2006 Chevrolet Trailblazer
2006 Mercury Mountaineer
Compare all Chevrolet Trailblazer vs Mercury Mountaineer 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.