2005 Chevrolet Impala vs 2005 Pontiac Bonneville
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 | 2005 Chevrolet Impala | 2005 Pontiac Bonneville |
|---|---|---|
| NHTSA complaints | 609 | 27 |
| Recall campaigns | 1 | 0 |
| Service bulletins (TSBs) | 555 | 495 |
| Investigations | 0 | 0 |
| Crash reports | 39 | 2 |
| Fire reports | 13 | 1 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 20–22 | 18–21 |
| Median reported incident mileage | 77,516 mi | 119,000 mi |
Reported problems side by side
| Component | Chevrolet Impala | Pontiac Bonneville |
|---|---|---|
| Electrical System | 331 | 8 |
| Steering | 60 | 5 |
| Power Train | 52 | 2 |
| Exterior Lighting | 49 | 0 |
| Air Bags | 33 | 12 |
| Engine | 30 | 4 |
| Engine and Engine Cooling | 31 | 1 |
| Service Brakes, Hydraulic | 30 | 0 |
Symptoms owners describe
| Stalling | 44 | 0 |
| Won’t start | 28 | 0 |
| Overheating | 18 | 0 |
| Vibration / shaking | 13 | 0 |
| Shifting problems | 12 | 0 |
| Check engine light | 9 | 0 |
| Hesitation / surging | 7 | 0 |
| Clunking / rattling | 7 | 0 |
2005 Chevrolet Impala
2005 Pontiac Bonneville
Compare all Chevrolet Impala vs Pontiac Bonneville 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.