2004 Toyota Sienna vs 2006 Toyota Sienna
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 Toyota Sienna | 2006 Toyota Sienna |
|---|---|---|
| NHTSA complaints | 2,062 | 1,016 |
| Recall campaigns | 10 | 11 |
| Service bulletins (TSBs) | 257 | 241 |
| Investigations | 8 | 3 |
| Crash reports | 51 | 37 |
| Fire reports | 8 | 2 |
| NCAP overall rating | — | — |
| EPA MPG (combined) | 18–20 | 17–19 |
| Median reported incident mileage | 75,000 mi | 72,000 mi |
Reported problems side by side
| Component | Toyota Sienna | Toyota Sienna |
|---|---|---|
| Structure | 962 | 260 |
| Latches/locks/linkages | 308 | 67 |
| Air Bags | 35 | 307 |
| Steering | 159 | 61 |
| Electrical System | 132 | 85 |
| Tires | 124 | 65 |
| Vehicle Speed Control | 111 | 50 |
| Seat Belts | 98 | 38 |
Symptoms owners describe
| Rust / corrosion | 110 | 47 |
| Hesitation / surging | 65 | 12 |
| Stalling | 60 | 29 |
| Clunking / rattling | 15 | 7 |
| Loss of power | 14 | 0 |
| Vibration / shaking | 13 | 20 |
| Steering problems | 10 | 0 |
| Check engine light | 9 | 0 |
2004 Toyota Sienna
2006 Toyota Sienna
Compare all Toyota Sienna vs Toyota Sienna 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.