2006 Chevrolet Avalanche 1500 vs 2006 Chevrolet Trailblazer
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 | 2006 Chevrolet Avalanche 1500 | 2006 Chevrolet Trailblazer |
|---|---|---|
| NHTSA complaints | 39 | 1,107 |
| Recall campaigns | 1 | 8 |
| Service bulletins (TSBs) | 735 | 804 |
| Investigations | 0 | 4 |
| Crash reports | 4 | 29 |
| Fire reports | 2 | 59 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 14 | 14–16 |
| Median reported incident mileage | 86,000 mi | 68,000 mi |
Reported problems side by side
| Component | Chevrolet Avalanche 1500 | Chevrolet Trailblazer |
|---|---|---|
| Fuel System, Gasoline | 1 | 437 |
| Electrical System | 4 | 251 |
| Fuel System, Other | 0 | 113 |
| Exterior Lighting | 0 | 112 |
| Fuel/propulsion System | 4 | 76 |
| Power Train | 12 | 49 |
| Visibility | 1 | 51 |
| Visibility/wiper | 0 | 52 |
Symptoms owners describe
| Rust / corrosion | 5 | 19 |
| Check engine light | 0 | 110 |
| Stalling | 0 | 78 |
| Loss of power | 0 | 14 |
| Electrical failures | 0 | 13 |
| Vibration / shaking | 0 | 8 |
| Brake problems | 0 | 6 |
| Won’t start | 0 | 5 |
2006 Chevrolet Avalanche 1500
2006 Chevrolet Trailblazer
Compare all Chevrolet Avalanche 1500 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.