Equal-exposure complaint evidence and changes in the reported problem mix
1987 vs 1988 MERCURY GRAND MARQUIS
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 467 months on market for each model year
Exposure window calculated through Aug 22, 2026
Age-matched reports
▲ 67.4% 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 | 1987 share | 1988 share | Share change |
|---|---|---|---|
| SEAT BELTS | 14.0% | 5.6% | ▼ 8.4 pts smaller share |
| WHEELS | 4.7% | not reported | ▼ 4.7 pts smaller share |
| POWER TRAIN | 2.3% | 5.6% | ▲ 3.2 pts larger share |
| EXTERIOR LIGHTING | not reported | 2.8% | ▲ 2.8 pts larger share |
| VISIBILITY | not reported | 2.8% | ▲ 2.8 pts larger share |
| ELECTRICAL SYSTEM | 41.9% | 44.4% | ▲ 2.6 pts larger share |
| ENGINE | 9.3% | 6.9% | ▼ 2.4 pts smaller share |
| STRUCTURE | 2.3% | not reported | ▼ 2.3 pts smaller share |
| TIRES | 2.3% | 4.2% | ▲ 1.8 pts larger share |
| STEERING | 2.3% | 4.2% | ▲ 1.8 pts larger share |
| PARKING BRAKE | not reported | 1.4% | ▲ 1.4 pts larger share |
| VEHICLE SPEED CONTROL | 16.3% | 15.3% | ▼ 1.0 pts smaller share |
| FUEL SYSTEM | 4.7% | 5.6% | ▲ 0.9 pts larger share |
| UNKNOWN OR OTHER | 72.1% | 76.4% | ▲ 4.3 pts larger share |
NHTSA Safety Recalls recalls · snapshot 2026-08-22
Recall campaigns
Campaign components: FUEL SYSTEM, GASOLINE, SEAT BELTS, and STEERING
Campaign components: ELECTRICAL SYSTEM, FUEL SYSTEM, GASOLINE, and SEAT BELTS
NHTSA Consumer Complaints complaints · snapshot 2026-08-21
Safety signals
- ◆ Fires
- 16 → 25
- ◆ Injuries
- 2 → 10