2010 Toyota Sienna: Reliability Data

Source: NHTSA — 226 complaints
226
Total Complaints
69,000mi
Median Mileage
STRUCTURE:BODY
Top Issue
16
Crash Reports

When Do Complaints Happen?

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

35,500 25th Percentile
69,000 Median Mileage
100,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

STRUCTURE:BODY
29
UNKNOWN OR OTHER
24
ELECTRICAL SYSTEM
20
VEHICLE SPEED CONTROL
18
POWER TRAIN
15
STRUCTURE:BODY:DOOR
14
STEERING
11
AIR BAGS
7
STRUCTURE
7
LATCHES/LOCKS/LINKAGES
7

Severity Assessment

16
Crashes
2
Fires
21
Injuries
1
Deaths

Sample Complaint Reports

"ENGINE SPEED CONTROL , IT DOESN'T GO UP SMOOTHLY FROM 0 KLM TO 55 KLM WHEN GOING INTO HIGHWAY. *TR"
"TL*THE CONTACT OWNS A 2010 TOYOTA SIENNA. THE CONTACT STATED THE REAR ELECTRONIC DOOR INTERMITTENTLY FAILED TO REMAIN OPEN. THE DEALER STATED THAT THE STRUT NEEDED TO BE REPLACED SINCE THEY BECAME FAULTY. THE DEALER ALSO ADVISED HER THAT THE PARTS WERE ON NATIONAL BACK ORDER. THE FAILURE MILEAGE WAS..."
"WE HAVE A 2010 TOYOTA SIENNA XLE. THE PROBLEM IS WITH THE AUTOMATIC DOORS AND KEY FOB AND BACK HATCH DOOR. THE KEY WILL UNLOCK AND IMMEDIATELY RELOCK ALL THE DOORS. IF YOU TOUCH THE BUTTONS TO ACTIVATE SLIDING DOORS THEY WORK OFF AND ON. THE BIG PROBLEM THOUGH IS THE BACK DOOR - THE TRUNK. IT OPENS ..."

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