Equal-exposure complaint evidence and changes in the reported problem mix
1990 vs 1991 BUICK REGAL
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 431 months on market for each model year
Exposure window calculated through Aug 22, 2026
Age-matched reports
▲ 159.7% 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 | 1990 share | 1991 share | Share change |
|---|---|---|---|
| SUSPENSION | 5.2% | 1.5% | ▼ 3.7 pts smaller share |
| WHEELS | 6.5% | 3.0% | ▼ 3.5 pts smaller share |
| STEERING | 2.6% | 5.5% | ▲ 2.9 pts larger share |
| ENGINE | 7.8% | 5.5% | ▼ 2.3 pts smaller share |
| EXTERIOR LIGHTING | 1.3% | 3.0% | ▲ 1.7 pts larger share |
| SEAT BELTS | 3.9% | 5.5% | ▲ 1.6 pts larger share |
| SERVICE BRAKES | 52.0% | 53.5% | ▲ 1.6 pts larger share |
| AIR BAGS | 1.3% | not reported | ▼ 1.3 pts smaller share |
| TIRES | not reported | 1.0% | ▲ 1.0 pts larger share |
| VISIBILITY | 1.3% | 0.5% | ▼ 0.8 pts smaller share |
| ELECTRICAL SYSTEM | 3.9% | 3.5% | ▼ 0.4 pts smaller share |
| PARKING BRAKE | 1.3% | 1.0% | ▼ 0.3 pts smaller share |
| STRUCTURE | 7.8% | 8.0% | ▲ 0.2 pts larger share |
| VEHICLE SPEED CONTROL | 1.3% | 1.5% | ▲ 0.2 pts larger share |
| FUEL SYSTEM | 1.3% | 1.5% | ▲ 0.2 pts larger share |
| POWER TRAIN | 1.3% | 1.5% | ▲ 0.2 pts larger share |
| UNKNOWN OR OTHER | 83.1% | 85.5% | ▲ 2.4 pts larger share |
NHTSA Safety Recalls recalls · snapshot 2026-08-22
Recall campaigns
Campaign components: EXTERIOR LIGHTING and SEAT BELTS
Campaign components: FUEL SYSTEM, GASOLINE
NHTSA Consumer Complaints complaints · snapshot 2026-08-21
Safety signals
- ◆ Fires
- 1 → 4
- ◆ Injuries
- 11 → 8