1991 Buick Regal vs 1991 Mercury Cougar
Complaints, recalls, TSBs, investigations and safety ratings side by side, from official federal data. Last verified Aug 7, 2026. Raw complaint counts are not adjusted for sales volume.
| Metric | 1991 Buick Regal | 1991 Mercury Cougar |
|---|---|---|
| NHTSA complaints | 200 | 73 |
| Recall campaigns | 1 | 0 |
| Service bulletins (TSBs) | 9 | 36 |
| Investigations | 8 | 2 |
| Crash reports | 14 | 4 |
| Fire reports | 5 | 7 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 20 | 18–20 |
| Median reported mileage | — | — |
Reported problems side by side
| Component | Buick Regal | Mercury Cougar |
|---|---|---|
| Service Brakes, Hydraulic | 114 | 11 |
| Engine and Engine Cooling | 15 | 17 |
| Seat Belts | 14 | 9 |
| Electrical System | 12 | 11 |
| Structure | 20 | 2 |
| Exterior Lighting | 8 | 8 |
| Vehicle Speed Control | 5 | 9 |
| Steering | 12 | 0 |
Symptoms owners describe
| Rust / corrosion | 27 | 0 |
| Brake problems | 14 | 0 |
| Steering problems | 5 | 0 |
1991 Buick Regal
1991 Mercury Cougar
Compare all Buick Regal vs Mercury Cougar 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.