2017 Toyota Sienna: Reliability Data

Source: NHTSA — 190 complaints
190
Total Complaints
20,997mi
Median Mileage
POWER TRAIN
Top Issue
23
Crash Reports

When Do Complaints Happen?

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

8,150 25th Percentile
20,997 Median Mileage
40,500 75th Percentile

What Fails?

Most reported component issues from NHTSA complaints.

POWER TRAIN
27
UNKNOWN OR OTHER
25
ELECTRICAL SYSTEM
18
WHEELS
16
ENGINE
15
FUEL/PROPULSION SYSTEM
13
SERVICE BRAKES
11
STRUCTURE:BODY
10
STEERING
7
VEHICLE SPEED CONTROL
6

Severity Assessment

23
Crashes
8
Fires
15
Injuries
0
Deaths

Sample Complaint Reports

"TL* THE CONTACT OWNS A 2017 TOYOTA SIENNA. WHILE DRIVING, THE WINDSHIELD RESEMBLED A MAGNIFYING GLASS APPROXIMATELY SIX TO EIGHT INCHES ABOVE THE DASHBOARD. THE ISSUE CAUSED THE DRIVER TO EXPERIENCE DIZZINESS AND HEADACHES WHILE DRIVING. IN ADDITION, WHILE DRIVING APPROXIMATELY 65 MPH, THE REAR DRIV..."
"TL* THE CONTACT OWNS A 2017 TOYOTA SIENNA. WHILE DRIVING, THE WINDSHIELD RESEMBLED A MAGNIFYING GLASS APPROXIMATELY SIX TO EIGHT INCHES ABOVE THE DASHBOARD. THE ISSUE CAUSED THE DRIVER TO EXPERIENCE DIZZINESS AND HEADACHES WHILE DRIVING. IN ADDITION, WHILE DRIVING APPROXIMATELY 65 MPH, THE REAR DRIV..."
"NAVIGATION SYSTEM THE INSTALLED NAVIGATION SYSTEM ON TOYOTA SIENNA MODELS DOES NOT INDICATE THE DESTINATION SIDE OF THE ROAD. IN OTHER WORDS, THERE IS AN AUDIO INDICATION "YOU HAVE REACHED YOUR DESIGNATION" BUT IT DOES NOT INDICATE WHICH SIDE OF THE ROAD IT IS. THIS IS A REAL SERIOUS SAFETY RIS..."

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