2004 Volvo S40 vs 2006 Volvo S40
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 | 2004 Volvo S40 | 2006 Volvo S40 |
|---|---|---|
| NHTSA complaints | 48 | 58 |
| Recall campaigns | 6 | 3 |
| Service bulletins (TSBs) | 238 | 161 |
| Investigations | 0 | 0 |
| Crash reports | 5 | 1 |
| Fire reports | 1 | 0 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 22–23 | 20–23 |
| Median reported incident mileage | 64,500 mi | 75,000 mi |
Reported problems side by side
| Component | Volvo S40 | Volvo S40 |
|---|---|---|
| Electrical System | 11 | 24 |
| Air Bags | 11 | 4 |
| Service Brakes, Hydraulic | 8 | 4 |
| Structure | 2 | 9 |
| Engine and Engine Cooling | 5 | 4 |
| Fuel/propulsion System | 2 | 7 |
| Visibility | 2 | 7 |
| Fuel System, Gasoline | 5 | 2 |
Symptoms owners describe
| Stalling | 9 | 9 |
| Check engine light | 6 | 8 |
| Brake problems | 0 | 6 |
2004 Volvo S40
2006 Volvo S40
Compare all Volvo S40 vs Volvo S40 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.