2004 Chevrolet Trailblazer vs 2004 Mercury Mountaineer
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 2004 Chevrolet Trailblazer | 2004 Mercury Mountaineer |
|---|---|---|
| NHTSA complaints | 1,081 | 210 |
| Recall campaigns | 2 | 0 |
| Service bulletins (TSBs) | 701 | 103 |
| Investigations | 4 | 3 |
| Crash reports | 56 | 11 |
| Fire reports | 31 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 16 | 15–16 |
| Median reported incident mileage | 68,720 mi | 69,459 mi |
Reported problems side by side
| Component | Chevrolet Trailblazer | Mercury Mountaineer |
|---|---|---|
| Electrical System | 627 | 16 |
| Power Train | 62 | 64 |
| Exterior Lighting | 101 | 1 |
| Structure | 23 | 79 |
| Fuel System, Gasoline | 93 | 1 |
| Vehicle Speed Control | 38 | 21 |
| Air Bags | 42 | 12 |
| Engine and Engine Cooling | 39 | 11 |
Symptoms owners describe
| Stalling | 48 | 20 |
| Check engine light | 48 | 0 |
| Rust / corrosion | 29 | 6 |
| Loss of power | 11 | 7 |
| Vibration / shaking | 11 | 5 |
| Clunking / rattling | 8 | 6 |
| Hesitation / surging | 7 | 7 |
| Airbag warning light | 7 | 0 |
2004 Chevrolet Trailblazer
2004 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.