2004 Buick Lesabre vs 2004 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 | 2004 Buick Lesabre | 2004 Mercury Grand Marquis |
|---|---|---|
| NHTSA complaints | 162 | 347 |
| Recall campaigns | 0 | 1 |
| Service bulletins (TSBs) | 460 | 49 |
| Investigations | 0 | 5 |
| Crash reports | 4 | 17 |
| Fire reports | 5 | 4 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 21 | 18 |
| Median reported incident mileage | 66,650 mi | 82,500 mi |
Reported problems side by side
| Component | Buick Lesabre | Mercury Grand Marquis |
|---|---|---|
| Exterior Lighting | 8 | 206 |
| Electrical System | 66 | 40 |
| Steering | 5 | 65 |
| Vehicle Speed Control | 5 | 23 |
| Structure | 19 | 8 |
| Power Train | 12 | 9 |
| Air Bags | 14 | 6 |
| Engine and Engine Cooling | 8 | 10 |
Symptoms owners describe
| Stalling | 11 | 5 |
| Vibration / shaking | 9 | 0 |
| Rust / corrosion | 0 | 16 |
| Hesitation / surging | 0 | 8 |
| Steering problems | 0 | 6 |
2004 Buick Lesabre
2004 Mercury Grand Marquis
Compare all Buick Lesabre 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.