2010 Chevrolet Impala vs 2010 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 | 2010 Chevrolet Impala | 2010 Mercury Grand Marquis |
|---|---|---|
| NHTSA complaints | 441 | 24 |
| Recall campaigns | 4 | 2 |
| Service bulletins (TSBs) | 1,184 | 17 |
| Investigations | 0 | 0 |
| Crash reports | 18 | 6 |
| Fire reports | 3 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 21–22 | 19 |
| Median reported incident mileage | 74,001 mi | — |
Reported problems side by side
| Component | Chevrolet Impala | Mercury Grand Marquis |
|---|---|---|
| Electrical System | 132 | 3 |
| Air Bags | 102 | 2 |
| Engine | 88 | 1 |
| Electronic Stability Control (esc) | 74 | 0 |
| Power Train | 67 | 2 |
| Vehicle Speed Control | 47 | 3 |
| Steering | 42 | 5 |
| Service Brakes | 21 | 2 |
Symptoms owners describe
| Stalling | 50 | 0 |
| Check engine light | 43 | 0 |
| Airbag warning light | 39 | 0 |
| Loss of power | 26 | 0 |
| Vibration / shaking | 15 | 0 |
| Electrical failures | 10 | 0 |
| Hesitation / surging | 8 | 0 |
| Clunking / rattling | 8 | 0 |
2010 Chevrolet Impala
2010 Mercury Grand Marquis
Compare all Chevrolet Impala 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.