2004 BMW 325I vs 2004 Saturn Ion
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 | 2004 BMW 325I | 2004 Saturn Ion |
|---|---|---|
| NHTSA complaints | 147 | 898 |
| Recall campaigns | 4 | 8 |
| Service bulletins (TSBs) | 24 | 525 |
| Investigations | 5 | 4 |
| Crash reports | 5 | 51 |
| Fire reports | 11 | 4 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 20–22 | 23–26 |
| Median reported incident mileage | 84,000 mi | 70,000 mi |
Reported problems side by side
| Component | BMW 325I | Saturn Ion |
|---|---|---|
| Electrical System | 21 | 331 |
| Steering | 3 | 345 |
| Air Bags | 62 | 52 |
| Exterior Lighting | 44 | 25 |
| Power Train | 1 | 60 |
| Fuel/propulsion System | 2 | 36 |
| Engine and Engine Cooling | 1 | 33 |
| Engine | 6 | 23 |
Symptoms owners describe
| Stalling | 7 | 41 |
| Rust / corrosion | 7 | 20 |
| Airbag warning light | 6 | 0 |
| Won’t start | 0 | 137 |
| Steering problems | 0 | 87 |
| Loss of power | 0 | 34 |
| Check engine light | 0 | 9 |
| Hesitation / surging | 0 | 9 |
2004 BMW 325I
2004 Saturn Ion
Compare all BMW 325I vs Saturn Ion 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.