1991 Buick Park Avenue vs 1991 Mercury Grand Marquis
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 8, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 1991 Buick Park Avenue | 1991 Mercury Grand Marquis |
|---|---|---|
| NHTSA complaints | 92 | 82 |
| Recall campaigns | 0 | 0 |
| Service bulletins (TSBs) | 11 | 40 |
| Investigations | 2 | 1 |
| Crash reports | 14 | 12 |
| Fire reports | 6 | 14 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 19 | 18 |
| Median reported incident mileage | — | — |
Reported problems side by side
| Component | Buick Park Avenue | Mercury Grand Marquis |
|---|---|---|
| Service Brakes, Hydraulic | 56 | 11 |
| Electrical System | 10 | 21 |
| Engine and Engine Cooling | 7 | 10 |
| Power Train | 7 | 8 |
| Vehicle Speed Control | 3 | 12 |
| Air Bags | 2 | 11 |
| Parking Brake | 6 | 2 |
| Structure | 4 | 4 |
Symptoms owners describe
| Brake problems | 15 | 0 |
| Electrical failures | 0 | 6 |
| Stalling | 0 | 5 |
1991 Buick Park Avenue
1991 Mercury Grand Marquis
Compare all Buick Park Avenue vs Mercury Grand Marquis years →
Method. Complaints are unique NHTSA reports. A vehicle that sold more units will naturally accumulate more complaints — use shares and read the underlying reports before drawing conclusions.