Equal-exposure complaint evidence and changes in the reported problem mix
1991 vs 1992 PONTIAC GRAND PRIX
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 419 months on market for each model year
Exposure window calculated through Aug 22, 2026
Age-matched reports
▼ 33.3% fewer 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 | 1991 share | 1992 share | Share change |
|---|---|---|---|
| ELECTRICAL SYSTEM | 8.2% | 24.6% | ▲ 16.4 pts larger share |
| STRUCTURE | 15.2% | 2.6% | ▼ 12.6 pts smaller share |
| SERVICE BRAKES | 39.2% | 31.6% | ▼ 7.6 pts smaller share |
| POWER TRAIN | not reported | 6.1% | ▲ 6.1 pts larger share |
| STEERING | 7.0% | 3.5% | ▼ 3.5 pts smaller share |
| FUEL SYSTEM | 2.9% | not reported | ▼ 2.9 pts smaller share |
| EXTERIOR LIGHTING | 7.0% | 5.3% | ▼ 1.8 pts smaller share |
| VEHICLE SPEED CONTROL | 1.8% | 3.5% | ▲ 1.8 pts larger share |
| PARKING BRAKE | not reported | 1.8% | ▲ 1.8 pts larger share |
| SUSPENSION | 2.3% | 0.9% | ▼ 1.5 pts smaller share |
| SEAT BELTS | 0.6% | 1.8% | ▲ 1.2 pts larger share |
| ENGINE | 7.0% | 7.9% | ▲ 0.9 pts larger share |
| TIRES | 0.6% | 0.9% | ▲ 0.3 pts larger share |
| VISIBILITY | 1.2% | 0.9% | ▼ 0.3 pts smaller share |
| WHEELS | 1.8% | 1.8% | ◆ 0.0 pts unchanged |
| UNKNOWN OR OTHER | 78.4% | 80.7% | ▲ 2.3 pts larger share |
NHTSA Safety Recalls recalls · snapshot 2026-08-22
Recall campaigns
Campaign components: ELECTRICAL SYSTEM and FUEL SYSTEM, OTHER
Campaign components: FUEL SYSTEM, OTHER and POWER TRAIN
NHTSA Consumer Complaints complaints · snapshot 2026-08-21
Safety signals
- ◆ Fires
- 4 → 6
- ◆ Injuries
- 8 → 4