2008 Chevrolet Impala vs 2008 Pontiac G8
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 | 2008 Chevrolet Impala | 2008 Pontiac G8 |
|---|---|---|
| NHTSA complaints | 810 | 71 |
| Recall campaigns | 2 | 4 |
| Service bulletins (TSBs) | 1,002 | 949 |
| Investigations | 1 | 0 |
| Crash reports | 51 | 2 |
| Fire reports | 10 | 1 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 19–22 | 18–20 |
| Median reported incident mileage | 71,000 mi | 54,500 mi |
Reported problems side by side
| Component | Chevrolet Impala | Pontiac G8 |
|---|---|---|
| Electrical System | 221 | 14 |
| Engine | 134 | 5 |
| Suspension | 117 | 10 |
| Steering | 94 | 8 |
| Power Train | 91 | 8 |
| Vehicle Speed Control | 92 | 1 |
| Air Bags | 50 | 25 |
| Electronic Stability Control (esc) | 58 | 1 |
Symptoms owners describe
| Stalling | 60 | 5 |
| Check engine light | 50 | 0 |
| Loss of power | 32 | 0 |
| Vibration / shaking | 20 | 0 |
| Hesitation / surging | 17 | 0 |
| Electrical failures | 15 | 0 |
| Clunking / rattling | 14 | 0 |
| Won’t start | 8 | 0 |
2008 Chevrolet Impala
2008 Pontiac G8
Compare all Chevrolet Impala vs Pontiac G8 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.