Equal-exposure complaint evidence and changes in the reported problem mix
1999 vs 2000 PONTIAC SUNFIRE
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
▲ 1.1% 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 |
|---|---|---|---|
| FUEL SYSTEM | not reported | 8.8% | ▲ 8.8 pts larger share |
| ENGINE | 12.2% | 18.7% | ▲ 6.5 pts larger share |
| VISIBILITY | 6.7% | 3.3% | ▼ 3.4 pts smaller share |
| STRUCTURE | 3.3% | not reported | ▼ 3.3 pts smaller share |
| POWER TRAIN | 8.9% | 6.6% | ▼ 2.3 pts smaller share |
| VEHICLE SPEED CONTROL | 1.1% | 3.3% | ▲ 2.2 pts larger share |
| SERVICE BRAKES | 10.0% | 12.1% | ▲ 2.1 pts larger share |
| STEERING | 4.4% | 3.3% | ▼ 1.1 pts smaller share |
| SUSPENSION | 2.2% | 1.1% | ▼ 1.1 pts smaller share |
| WHEELS | 1.1% | not reported | ▼ 1.1 pts smaller share |
| EXTERIOR LIGHTING | 6.7% | 7.7% | ▲ 1.0 pts larger share |
| ELECTRICAL SYSTEM | 16.7% | 17.6% | ▲ 0.9 pts larger share |
| AIR BAGS | 8.9% | 8.8% | ▼ 0.1 pts smaller share |
| SEAT BELTS | 2.2% | 2.2% | ▼ 0.0 pts smaller share |
| UNKNOWN OR OTHER | 73.3% | 71.4% | ▼ 1.9 pts smaller share |
NHTSA Safety Recalls recalls · snapshot 2026-08-22
Recall campaigns
Campaign components: ELECTRICAL SYSTEM and FUEL SYSTEM, OTHER
Campaign components: ELECTRICAL SYSTEM and FUEL SYSTEM, OTHER
NHTSA Consumer Complaints complaints · snapshot 2026-08-21
Safety signals
- ◆ Fires
- 4 → 5
- ◆ Injuries
- 4 → 12