2007 Hyundai Sonata vs 2007 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 | 2007 Hyundai Sonata | 2007 Mercury Grand Marquis |
|---|---|---|
| NHTSA complaints | 696 | 96 |
| Recall campaigns | 5 | 3 |
| Service bulletins (TSBs) | 58 | 17 |
| Investigations | 5 | 2 |
| Crash reports | 30 | 6 |
| Fire reports | 6 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 21–25 | 18 |
| Median reported incident mileage | 65,000 mi | 33,500 mi |
Reported problems side by side
| Component | Hyundai Sonata | Mercury Grand Marquis |
|---|---|---|
| Air Bags | 257 | 6 |
| Visibility | 107 | 1 |
| Service Brakes, Hydraulic | 62 | 5 |
| Seat Belts | 60 | 3 |
| Electrical System | 51 | 1 |
| Electronic Stability Control (esc) | 49 | 0 |
| Engine | 41 | 4 |
| Service Brakes | 40 | 1 |
Symptoms owners describe
| Airbag warning light | 172 | 0 |
| Rust / corrosion | 27 | 8 |
| Brake problems | 12 | 0 |
| Stalling | 9 | 0 |
| Check engine light | 8 | 0 |
| Clunking / rattling | 7 | 0 |
| Loss of power | 5 | 0 |
| Electrical failures | 5 | 0 |
2007 Hyundai Sonata
2007 Mercury Grand Marquis
Compare all Hyundai Sonata 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.