1999 Buick Lesabre vs 1999 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 | 1999 Buick Lesabre | 1999 Mercury Grand Marquis |
|---|---|---|
| NHTSA complaints | 209 | 164 |
| Recall campaigns | 1 | 3 |
| Service bulletins (TSBs) | 49 | 138 |
| Investigations | 3 | 3 |
| Crash reports | 19 | 17 |
| Fire reports | 20 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 21 | 18 |
| Median reported incident mileage | 76,000 mi | 103,000 mi |
Reported problems side by side
| Component | Buick Lesabre | Mercury Grand Marquis |
|---|---|---|
| Engine and Engine Cooling | 69 | 26 |
| Electrical System | 28 | 15 |
| Suspension | 19 | 18 |
| Power Train | 15 | 12 |
| Service Brakes, Hydraulic | 17 | 8 |
| Steering | 8 | 16 |
| Exterior Lighting | 4 | 20 |
| Fuel System, Gasoline | 21 | 2 |
Symptoms owners describe
| Stalling | 31 | 11 |
| Vibration / shaking | 12 | 0 |
| Rust / corrosion | 11 | 0 |
| Overheating | 8 | 5 |
| Hesitation / surging | 6 | 0 |
| Loss of power | 5 | 0 |
| Check engine light | 5 | 5 |
1999 Buick Lesabre
1999 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.