2021 Nissan Altima vs 2021 Nissan Sentra
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 | 2021 Nissan Altima | 2021 Nissan Sentra |
|---|---|---|
| NHTSA complaints | 69 | 129 |
| Recall campaigns | 2 | 3 |
| Service bulletins (TSBs) | 109 | 132 |
| Investigations | 2 | 0 |
| Crash reports | 6 | 14 |
| Fire reports | 1 | 1 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 29–32 | 33 |
| Median reported incident mileage | — | — |
Reported problems side by side
| Component | Nissan Altima | Nissan Sentra |
|---|---|---|
| Forward Collision Avoidance | 22 | 38 |
| Electrical System | 21 | 38 |
| Steering | 7 | 40 |
| Service Brakes | 18 | 23 |
| Engine | 6 | 7 |
| Suspension | 5 | 5 |
| Back Over Prevention | 4 | 3 |
| Power Train | 3 | 4 |
Symptoms owners describe
| Vibration / shaking | 0 | 5 |
2021 Nissan Altima
2021 Nissan Sentra
Compare all Nissan Altima vs Nissan Sentra 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.