2009 Chevrolet Avalanche vs 2011 Chevrolet Avalanche
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 | 2009 Chevrolet Avalanche | 2011 Chevrolet Avalanche |
|---|---|---|
| NHTSA complaints | 76 | 127 |
| Recall campaigns | 5 | 3 |
| Service bulletins (TSBs) | 1,297 | 1,506 |
| Investigations | 1 | 1 |
| Crash reports | 4 | 2 |
| Fire reports | 1 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | — | — |
| Median reported incident mileage | 75,500 mi | 64,000 mi |
Reported problems side by side
| Component | Chevrolet Avalanche | Chevrolet Avalanche |
|---|---|---|
| Air Bags | 41 | 55 |
| Structure | 8 | 23 |
| Engine | 1 | 9 |
| Power Train | 1 | 9 |
| Electrical System | 4 | 4 |
| Vehicle Speed Control | 4 | 3 |
| Service Brakes | 1 | 4 |
| Fuel/propulsion System | 2 | 2 |
Symptoms owners describe
| Vibration / shaking | 0 | 13 |
2009 Chevrolet Avalanche
2011 Chevrolet Avalanche
Compare all Chevrolet Avalanche vs Chevrolet Avalanche 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.