2004 Chevrolet Blazer vs 2004 Chevrolet Trailblazer
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 | 2004 Chevrolet Blazer | 2004 Chevrolet Trailblazer |
|---|---|---|
| NHTSA complaints | 50 | 1,081 |
| Recall campaigns | 1 | 2 |
| Service bulletins (TSBs) | 412 | 701 |
| Investigations | 0 | 4 |
| Crash reports | 4 | 56 |
| Fire reports | 0 | 31 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 15–16 | 16 |
| Median reported incident mileage | 48,500 mi | 68,720 mi |
Reported problems side by side
| Component | Chevrolet Blazer | Chevrolet Trailblazer |
|---|---|---|
| Electrical System | 10 | 627 |
| Exterior Lighting | 2 | 101 |
| Fuel System, Gasoline | 1 | 93 |
| Power Train | 4 | 62 |
| Air Bags | 3 | 42 |
| Engine and Engine Cooling | 4 | 39 |
| Fuel/propulsion System | 0 | 43 |
| Vehicle Speed Control | 2 | 38 |
Symptoms owners describe
| Rust / corrosion | 6 | 29 |
| Stalling | 0 | 48 |
| Check engine light | 0 | 48 |
| Loss of power | 0 | 11 |
| Vibration / shaking | 0 | 11 |
| Clunking / rattling | 0 | 8 |
| Hesitation / surging | 0 | 7 |
| Airbag warning light | 0 | 7 |
2004 Chevrolet Blazer
2004 Chevrolet Trailblazer
Compare all Chevrolet Blazer vs Chevrolet Trailblazer 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.