2005 Chevrolet Trailblazer vs 2005 Mercury Mariner
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 | 2005 Chevrolet Trailblazer | 2005 Mercury Mariner |
|---|---|---|
| NHTSA complaints | 1,466 | 67 |
| Recall campaigns | 2 | 2 |
| Service bulletins (TSBs) | 672 | 35 |
| Investigations | 2 | 0 |
| Crash reports | 59 | 7 |
| Fire reports | 25 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 16 | 18–21 |
| Median reported incident mileage | 70,362 mi | 61,000 mi |
Reported problems side by side
| Component | Chevrolet Trailblazer | Mercury Mariner |
|---|---|---|
| Electrical System | 617 | 10 |
| Fuel System, Gasoline | 435 | 3 |
| Exterior Lighting | 140 | 2 |
| Fuel/propulsion System | 95 | 3 |
| Fuel System, Other | 95 | 1 |
| Vehicle Speed Control | 76 | 9 |
| Air Bags | 70 | 8 |
| Power Train | 51 | 15 |
Symptoms owners describe
| Stalling | 94 | 10 |
| Check engine light | 35 | 0 |
| Hesitation / surging | 20 | 0 |
| Rust / corrosion | 17 | 0 |
| Electrical failures | 10 | 0 |
| Overheating | 8 | 0 |
| Airbag warning light | 6 | 0 |
| Vibration / shaking | 5 | 0 |
2005 Chevrolet Trailblazer
2005 Mercury Mariner
Compare all Chevrolet Trailblazer vs Mercury Mariner 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.