2003 Buick Park Avenue vs 2003 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 | 2003 Buick Park Avenue | 2003 Mercury Grand Marquis |
|---|---|---|
| NHTSA complaints | 33 | 362 |
| Recall campaigns | 1 | 1 |
| Service bulletins (TSBs) | 411 | 90 |
| Investigations | 0 | 6 |
| Crash reports | 1 | 22 |
| Fire reports | 0 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 19–21 | 18 |
| Median reported incident mileage | 53,000 mi | 87,000 mi |
Reported problems side by side
| Component | Buick Park Avenue | Mercury Grand Marquis |
|---|---|---|
| Exterior Lighting | 0 | 207 |
| Electrical System | 5 | 51 |
| Suspension | 2 | 28 |
| Steering | 1 | 28 |
| Vehicle Speed Control | 0 | 27 |
| Engine and Engine Cooling | 7 | 13 |
| Power Train | 1 | 12 |
| Wheels | 1 | 10 |
Symptoms owners describe
| Stalling | 0 | 15 |
| Rust / corrosion | 0 | 10 |
| Vibration / shaking | 0 | 5 |
2003 Buick Park Avenue
2003 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.