Complaint volume
55 consumer-submitted complaints are matched to this model year. Treat the count as a research signal, then read the actual summaries for repeated symptoms.
Complaint records
55 consumer-submitted complaints on record for the 2024 Toyota Sienna, grouped by component category.
Buyer interpretation
Complaint records are most useful when they turn into inspection points, seller questions, and comparison checks against nearby model years.
55 consumer-submitted complaints are matched to this model year. Treat the count as a research signal, then read the actual summaries for repeated symptoms.
The most common categories are unknown or other, service brakes, seats. Use those categories as a test-drive checklist instead of judging the vehicle from the total count alone.
Enriched records include 3 crash reports, 0 fire reports, 4 injury reports, and 0 fatality reports. These fields come from complaint records and should be read in context.
Mileage is available on 5 complaints, with an average reported failure mileage of 30,336 miles. Compare that with the mileage on the listing.
Build a buyer checklist to turn these issues into questions and inspection points.
55 total complaints on record
| Date | Component | Summary | Severity | Mileage |
|---|---|---|---|---|
| May 2024 | TIRES | Bubbles on car tires | Crash: No Fire: No | Unknown |
| Apr 2024 | VISIBILITY | The contact owns a 2024 Toyota Sienna. The contact stated that while driving at approximately 70 MPH, the sunroof exploded into the cover. There were no injuries sustained. The contact stated that there were no previous issues with the sunroof. The vehicle was taken to the dealer where the contact was informed that the failure was due to an unknown foreign object. The manufacturer was made aware of the failure and a case was opened. The failure mileage was approximately 9,255. The VIN was not available. | Crash: No Fire: No | 9,255 |
| Mar 2024 | UNKNOWN OR OTHER | Excessive heat coming from all vents and under steering wheel after long time driving. I am very concerned that the vehicle may be caught on fire and then cause injuries or casualties. | Crash: No Fire: No | Unknown |
| Mar 2024 | VEHICLE SPEED CONTROL,FORWARD COLLISION AVOIDANCE | Vehicle was driving on a slow traffic local street at roughly 10MPH. Spacing between car in front of me was around 30 ft. I was gliding towards front and ready to brake. Suddenly the vehicle start to accelerate hard by itself without driver’s operation. I tried to engage brake / gas pedal and was not helping. Front collision system did not activate like it suppose to. I ended up turn sharp right towards road curb and hit pole at average speed of 30mph or less. No air bag deployed. I then switch to Park. No warning lights pop up. All safety features on vehicles were turned on before the incident. Whats weird is the car is functioning normal now after incident. I contacted Toyota USA and waiting for feedback. | Crash: Yes Fire: No | Unknown |
| Mar 2024 | UNKNOWN OR OTHER | Sunroof glass just exploded | Crash: No Fire: No | Unknown |