1998 Buick Park Avenue vs 1998 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 | 1998 Buick Park Avenue | 1998 Mercury Grand Marquis |
|---|---|---|
| NHTSA complaints | 246 | 143 |
| Recall campaigns | 2 | 5 |
| Service bulletins (TSBs) | 86 | 164 |
| Investigations | 5 | 3 |
| Crash reports | 7 | 8 |
| Fire reports | 29 | 8 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 19–20 | 18 |
| Median reported incident mileage | 73,171 mi | 84,700 mi |
Reported problems side by side
| Component | Buick Park Avenue | Mercury Grand Marquis |
|---|---|---|
| Engine and Engine Cooling | 97 | 26 |
| Electrical System | 28 | 15 |
| Seat Belts | 32 | 3 |
| Fuel System, Gasoline | 27 | 7 |
| Suspension | 13 | 16 |
| Steering | 12 | 17 |
| Service Brakes, Hydraulic | 17 | 6 |
| Power Train | 12 | 8 |
Symptoms owners describe
| Stalling | 17 | 12 |
| Rust / corrosion | 11 | 0 |
| Vibration / shaking | 10 | 5 |
| Overheating | 10 | 5 |
| Check engine light | 5 | 0 |
1998 Buick Park Avenue
1998 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.