2015 Toyota Sienna: Reliability Data

Source: NHTSA — 281 complaints
281
Total Complaints
30,000mi
Median Mileage
STRUCTURE:BODY
Top Issue
21
Crash Reports

When Do Complaints Happen?

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

12,250 25th Percentile
30,000 Median Mileage
46,875 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

STRUCTURE:BODY
52
UNKNOWN OR OTHER
41
ELECTRICAL SYSTEM
41
SERVICE BRAKES
16
ENGINE
14
WHEELS
14
AIR BAGS
9
STEERING
9
SUSPENSION
8
FUEL/PROPULSION SYSTEM
7

Severity Assessment

21
Crashes
8
Fires
33
Injuries
0
Deaths

Sample Complaint Reports

"THERE ARE MULTIPLE ISSUES WITH THIS VEHICLE THAT CAUSE/HAVE CAUSED SAFETY CONCERNS. DURING NIGHT TIME DRIVING, THE ILLUMINATED CRUISE CONTROL STALK WILL BLINK ON AND OFF INTERMITTENTLY. THIS HAS CAUSED THE DRIVER TO ALMOST REAR-END MULTIPLE CARS AS THE FLICKERING LIGHT TAKES THE DRIVER'S EYES FROM T..."
"THERE ARE MULTIPLE ISSUES WITH THIS VEHICLE THAT CAUSE/HAVE CAUSED SAFETY CONCERNS. DURING NIGHT TIME DRIVING, THE ILLUMINATED CRUISE CONTROL STALK WILL BLINK ON AND OFF INTERMITTENTLY. THIS HAS CAUSED THE DRIVER TO ALMOST REAR-END MULTIPLE CARS AS THE FLICKERING LIGHT TAKES THE DRIVER'S EYES FROM T..."
"AFTER 1 WEEK OF PURCHASE DATE OF 2015 TOYOTA SIENNA LW AWD, I'VE NOTICED BUZZ NOISES COMING FROM UNDER THE FRONT DASHBOARD. I TOOK THE CAR FOR SERVICE AT TOYOTA NASHUA AT NASHUA, NH ON 7/18 FOR BUZZ NOISING, AUTO-DIMM REAR VIEW MIRROR FAILURE, AND STRONG BURNED SMELL FROM THE AC VENTS. BUZZ NOIS..."

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