2024 Toyota Sienna Hybrid: Reliability Data

66
Total Complaints
17,826mi
Median Mileage
UNKNOWN OR OTHER
Top Issue
4
Crash Reports

When Do Complaints Happen?

Distribution of NHTSA complaints by vehicle mileage at time of report.

11,720 25th Percentile
17,826 Median Mileage
44,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

UNKNOWN OR OTHER
13
SERVICE BRAKES
11
VEHICLE SPEED CONTROL
6
ENGINE
5
STRUCTURE:BODY
4
SEATS
4
FORWARD COLLISION AVOIDANCE: WARNINGS
2
POWER TRAIN
2
SUSPENSION
2
VISIBILITY/WIPER
2

Severity Assessment

4
Crashes
0
Fires
6
Injuries
0
Deaths

Sample Complaint Reports

"Sunroof glass just exploded"
"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 ..."
"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 ..."

Source: NHTSA ODI Complaints Database. Names and identifying details omitted.

Data source: View this vehicle on NHTSA.gov | NHTSA ODI Complaints Database. Public domain.

Methodology: Complaint counts and mileage distributions are computed directly from consumer-reported NHTSA complaints. This data represents reported issues, not failure rates — vehicles without complaints are not represented. Full methodology.

Data through: 2026-03-28