2006 Toyota 4Runner problems and complaints
Owners have filed 381 complaints with NHTSA about the 2006 Toyota 4Runner. The most-reported areas: Structure (143), Unknown Or Other (74), Suspension (65).
Key takeaways
- 381 owner complaints on file with NHTSA.
- 28 involve a crash, 3 a fire, 18 reported injuries.
- Complaints are unverified owner reports; recalls are confirmed defects.
| Component | Complaints | Share |
|---|---|---|
| Structure | 143 | 38% |
| Unknown Or Other | 74 | 19% |
| Suspension | 65 | 17% |
| Service Brakes | 33 | 9% |
| Power Train | 30 | 8% |
| Air Bags | 24 | 6% |
| Steering | 22 | 6% |
| Electrical System | 18 | 5% |
| Vehicle Speed Control | 17 | 4% |
| Hydraulic | 14 | 4% |
| Visibility/Wiper | 13 | 3% |
| Tires | 13 | 3% |
One complaint can name several components, so shares add up to more than 100%.
| Version | Overall | Front | Side | Rollover |
|---|---|---|---|---|
| 2006 Toyota 4Runner 4-DR. | Not rated | Not rated | Not rated | 3/5 |
Latest complaints, as filed
Owner-written and unverified by NHTSA.
Unknown Or Other - filed 2026-09-04
During routine maintenance, we noticed frame rot.
Unknown Or Other - filed 2026-06-14
unknown, vehicle started to leak a fluid, took vehicle to mechanic shop they said frame rotted to the point they would not let me drive it home had to have it towed and now without transportation. the almost identical frames on other toyota vehicles were recalled for exactly the same problem. i dont understand why toyo...
Structure - filed 2026-04-22
Frame is rotting away. The tacomas, tundras, sequoia were recalled for this issue. The tacomas frame is very close in design to the 4runner. The main difference is the 4runner uses coil springs whereas the tacoma used leaf springs. Toyota stated that because the 4runner was made in Japan unlike the others that were mad...
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More for the 2006 Toyota 4Runner
Complaints are reports filed by owners with the National Highway Traffic Safety Administration. NHTSA publishes them without verifying them, and counts rise with how many cars were sold, so compare years of the same model rather than different models. Crash ratings are NHTSA's own 5-Star Safety Ratings results.