2006 Chevrolet HHR vs 2006 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 | 2006 Chevrolet HHR | 2006 Chevrolet Trailblazer |
|---|---|---|
| NHTSA complaints | 1,006 | 1,107 |
| Recall campaigns | 5 | 8 |
| Service bulletins (TSBs) | 758 | 804 |
| Investigations | 0 | 4 |
| Crash reports | 47 | 29 |
| Fire reports | 8 | 59 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 22–23 | 14–16 |
| Median reported mileage | 71,000 mi | 68,000 mi |
Reported problems side by side
| Component | Chevrolet HHR | Chevrolet Trailblazer |
|---|---|---|
| Steering | 458 | 26 |
| Electrical System | 222 | 251 |
| Fuel System, Gasoline | 6 | 437 |
| Structure | 119 | 26 |
| Power Train | 82 | 49 |
| Exterior Lighting | 16 | 112 |
| Fuel/propulsion System | 44 | 76 |
| Fuel System, Other | 1 | 113 |
Symptoms owners describe
| Steering problems | 88 | 0 |
| Stalling | 70 | 78 |
| Loss of power | 45 | 14 |
| Vibration / shaking | 37 | 8 |
| Rust / corrosion | 32 | 19 |
| Check engine light | 22 | 110 |
| Clunking / rattling | 12 | 0 |
| Water leaks | 11 | 0 |
2006 Chevrolet HHR
2006 Chevrolet Trailblazer
Compare all Chevrolet HHR 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.