2011 Amerivan Toyota Sienna: Reliability Data

Source: NHTSA — 35 complaints
35
Total Complaints
57,000mi
Median Mileage
Wheels
Top Issue
2
Crash Reports

When Do Complaints Happen?

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

40,000 25th Percentile
57,000 Median Mileage
67,000 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

Wheels
5
Vehicle Speed Control
4
Electrical System
3
Body
3
Air Bags
2
Temporary/Emergency Spare Tire
2
Fuel/Propulsion System
2
Power Train
2
Service Brakes
2
Steering
2

Severity Assessment

2
Crashes
1
Fires
4
Injuries
0
Deaths

Sample Complaint Reports

"ON MULTIPLE OCCASIONS THE CAR BATTERY HAS FAILED TO START VEHICLE. AT SPORADIC AND UNPREDICTABLE INTERVALS DOES THIS OCCUR. THIS IS THE ORIGINAL TOYOTA BATTERY SOLD WITH THE VEHICLE. THE BATTERY SEEMS TO BE DRAINED RAPIDLY BY THE VEHICLE'S ELECTRICAL SYSTEM WHEN THE VEHICLE IS NOT RUNNING OR THE ..."
"ON MULTIPLE OCCASIONS THE CAR BATTERY HAS FAILED TO START VEHICLE. AT SPORADIC AND UNPREDICTABLE INTERVALS DOES THIS OCCUR. THIS IS THE ORIGINAL TOYOTA BATTERY SOLD WITH THE VEHICLE. THE BATTERY SEEMS TO BE DRAINED RAPIDLY BY THE VEHICLE'S ELECTRICAL SYSTEM WHEN THE VEHICLE IS NOT RUNNING OR THE ..."
"ON MULTIPLE OCCASIONS THE CAR BATTERY HAS FAILED TO START VEHICLE. AT SPORADIC AND UNPREDICTABLE INTERVALS DOES THIS OCCUR. THIS IS THE ORIGINAL TOYOTA BATTERY SOLD WITH THE VEHICLE. THE BATTERY SEEMS TO BE DRAINED RAPIDLY BY THE VEHICLE'S ELECTRICAL SYSTEM WHEN THE VEHICLE IS NOT RUNNING OR THE ..."

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

When Were Complaints Filed?

Number of complaints by the year the issue occurred.

When Does Each Component Fail?

Median mileage at complaint for top components.

Wheels 5 complaints
25th: 60,250 mi Median: 74,500 mi 75th: 95,917 mi
Vehicle Speed Control 4 complaints
25th: 54,050 mi Median: 59,225 mi 75th: 61,501 mi
Body 3 complaints
Median: 40,000 mi

Where Are Complaints Coming From?

Top states by complaint count.

MD: 6 GA: 5 NY: 5 IL: 4 MO: 3 MI: 2 WI: 2 IN: 2 AZ: 2 VA: 1

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