Equal-exposure complaint evidence and changes in the reported problem mix
1999 vs 2000 PONTIAC BONNEVILLE
NHTSA Consumer Complaints complaints · snapshot 2026-08-21
Share shifts show how a vehicle's problem mix changed. They do not measure reliability, and complaint counts are not normalized for sales volume.
First 323 months on market for each model year
Exposure window calculated through Aug 22, 2026
Age-matched reports
▲ 52.5% more reports in the equal exposure window
NHTSA Consumer Complaints complaints · snapshot 2026-08-21
Component share shift
Bars start at the neutral midpoint. Left means a smaller share; right means a larger share.
View component share data as a table
| Component | 1999 share | 2000 share | Share change |
|---|---|---|---|
| ENGINE | 36.0% | 15.6% | ▼ 20.4 pts smaller share |
| VISIBILITY | 2.9% | 21.7% | ▲ 18.8 pts larger share |
| STEERING | 1.4% | 17.9% | ▲ 16.5 pts larger share |
| FUEL SYSTEM | 15.1% | 4.3% | ▼ 10.9 pts smaller share |
| AIR BAGS | 5.8% | 1.9% | ▼ 3.9 pts smaller share |
| VEHICLE SPEED CONTROL | 2.9% | 0.5% | ▼ 2.4 pts smaller share |
| EXTERIOR LIGHTING | not reported | 1.9% | ▲ 1.9 pts larger share |
| POWER TRAIN | 4.3% | 6.1% | ▲ 1.8 pts larger share |
| WHEELS | 2.2% | 0.9% | ▼ 1.2 pts smaller share |
| ELECTRICAL SYSTEM | 13.0% | 11.8% | ▼ 1.2 pts smaller share |
| STRUCTURE | 2.2% | 3.3% | ▲ 1.1 pts larger share |
| SUSPENSION | 2.2% | 3.3% | ▲ 1.1 pts larger share |
| SEAT BELTS | 0.7% | 0.5% | ▼ 0.3 pts smaller share |
| SERVICE BRAKES | 5.0% | 5.2% | ▲ 0.2 pts larger share |
| TIRES | 1.4% | 1.4% | ▼ 0.0 pts smaller share |
| UNKNOWN OR OTHER | 69.1% | 67.9% | ▼ 1.1 pts smaller share |
NHTSA Safety Recalls recalls · snapshot 2026-08-22
Recall campaigns
Campaign components: FUEL SYSTEM, GASOLINE and POWER TRAIN
Campaign components: FUEL SYSTEM, GASOLINE and SERVICE BRAKES, HYDRAULIC
NHTSA Consumer Complaints complaints · snapshot 2026-08-21
Safety signals
- ◆ Fires
- 9 → 21
- ◆ Injuries
- 6 → 7