1998 Pontiac Bonneville vs 1999 Pontiac Bonneville
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 | 1998 Pontiac Bonneville | 1999 Pontiac Bonneville |
|---|---|---|
| NHTSA complaints | 277 | 143 |
| Recall campaigns | 1 | 1 |
| Service bulletins (TSBs) | 51 | 60 |
| Investigations | 2 | 4 |
| Crash reports | 9 | 5 |
| Fire reports | 28 | 9 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 19–20 | 19–20 |
| Median reported incident mileage | 71,863 mi | 70,048 mi |
Reported problems side by side
| Component | Pontiac Bonneville | Pontiac Bonneville |
|---|---|---|
| Engine and Engine Cooling | 194 | 59 |
| Fuel System, Gasoline | 33 | 19 |
| Electrical System | 28 | 22 |
| Power Train | 13 | 8 |
| Visibility | 8 | 6 |
| Service Brakes, Hydraulic | 4 | 9 |
| Vehicle Speed Control | 8 | 4 |
| Air Bags | 4 | 8 |
Symptoms owners describe
| Stalling | 43 | 35 |
| Overheating | 24 | 0 |
| Check engine light | 11 | 0 |
| Hesitation / surging | 7 | 6 |
| Loss of power | 0 | 6 |
1998 Pontiac Bonneville
1999 Pontiac Bonneville
Compare all Pontiac Bonneville 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.