1989 Mercury Cougar vs 1989 Pontiac Grand Prix
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 | 1989 Mercury Cougar | 1989 Pontiac Grand Prix |
|---|---|---|
| NHTSA complaints | 81 | 139 |
| Recall campaigns | 0 | 1 |
| Service bulletins (TSBs) | 26 | 4 |
| Investigations | 6 | 8 |
| Crash reports | 14 | 6 |
| Fire reports | 10 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 17–20 | 20–21 |
| Median reported incident mileage | — | — |
Reported problems side by side
| Component | Mercury Cougar | Pontiac Grand Prix |
|---|---|---|
| Service Brakes, Hydraulic | 10 | 63 |
| Seat Belts | 17 | 9 |
| Electrical System | 12 | 14 |
| Vehicle Speed Control | 21 | 2 |
| Engine and Engine Cooling | 9 | 14 |
| Structure | 1 | 18 |
| Steering | 4 | 12 |
| Power Train | 6 | 4 |
Symptoms owners describe
| Stalling | 5 | 9 |
| Rust / corrosion | 0 | 24 |
| Brake problems | 0 | 7 |
1989 Mercury Cougar
1989 Pontiac Grand Prix
Compare all Mercury Cougar vs Pontiac Grand Prix 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.