1988 Cadillac Deville vs 1988 Mercury Grand Marquis
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 | 1988 Cadillac Deville | 1988 Mercury Grand Marquis |
|---|---|---|
| NHTSA complaints | 28 | 73 |
| Recall campaigns | 0 | 0 |
| Service bulletins (TSBs) | 0 | 27 |
| Investigations | 2 | 1 |
| Crash reports | 2 | 9 |
| Fire reports | 1 | 25 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 17 | 18 |
| Median reported mileage | — | — |
Reported problems side by side
| Component | Cadillac Deville | Mercury Grand Marquis |
|---|---|---|
| Electrical System | 2 | 36 |
| Vehicle Speed Control | 8 | 12 |
| Engine and Engine Cooling | 4 | 7 |
| Steering | 7 | 3 |
| Tires | 5 | 4 |
| Fuel System, Gasoline | 1 | 5 |
| Service Brakes, Hydraulic | 4 | 1 |
| Visibility | 2 | 3 |
Symptoms owners describe
| Electrical failures | 0 | 9 |
1988 Cadillac Deville
1988 Mercury Grand Marquis
Compare all Cadillac Deville 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.