1999 Buick Lesabre 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 | 1999 Buick Lesabre | 1999 Pontiac Bonneville |
|---|---|---|
| NHTSA complaints | 209 | 143 |
| Recall campaigns | 1 | 1 |
| Service bulletins (TSBs) | 49 | 60 |
| Investigations | 3 | 4 |
| Crash reports | 19 | 5 |
| Fire reports | 20 | 9 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 21 | 19–20 |
| Median reported incident mileage | 76,000 mi | 70,048 mi |
Reported problems side by side
| Component | Buick Lesabre | Pontiac Bonneville |
|---|---|---|
| Engine and Engine Cooling | 69 | 59 |
| Electrical System | 28 | 22 |
| Fuel System, Gasoline | 21 | 19 |
| Service Brakes, Hydraulic | 17 | 9 |
| Power Train | 15 | 8 |
| Suspension | 19 | 3 |
| Air Bags | 13 | 8 |
| Visibility | 9 | 6 |
Symptoms owners describe
| Stalling | 31 | 35 |
| Vibration / shaking | 12 | 0 |
| Rust / corrosion | 11 | 0 |
| Overheating | 8 | 0 |
| Hesitation / surging | 6 | 6 |
| Loss of power | 5 | 6 |
| Check engine light | 5 | 0 |
1999 Buick Lesabre
1999 Pontiac Bonneville
Compare all Buick Lesabre 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.