The 2015 Toyota Sienna is associated with 230 official NHTSA owner defect complaints and 6 safety recall campaigns in the federal safety database. The most frequently reported component area is Structure & Body, accounting for 49 reports (21% of total complaints). EPA testing covers 2 certified vehicle configurations spanning 3.5l 6-cyl powertrain configurations. Gasoline and hybrid variants deliver 19 to 21 MPG combined.
Key Data Findings
- • NHTSA Owner Complaints: 230 reports
- • Safety Recall Campaigns: 6 campaigns
- • Top Reported Defect Area: Structure & Body (49 / 21%)
- • Safety Incident Signals: 17 crash / 7 fire / 13 injury reports
- • NHTSA Overall Safety Rating: 5 / 5 Stars
- • EPA Efficiency: 19–21 MPG (2 variants)
Data Note: Compiled directly from official NHTSA Office of Defects Investigation (ODI), NHTSA 5-Star Safety Ratings, and EPA FuelEconomy.gov databases.
| Variant | Engine | Drivetrain | Transmission | City | Highway | Combined | EV Range | Est. Annual Fuel Cost |
| Sienna 2WD | 3.5L 6-Cyl | Front-Wheel Drive | Automatic (S6) | 18 MPG | 25 MPG | 21 MPG | — | $2,950 / yr |
| Sienna AWD | 3.5L 6-Cyl | All-Wheel Drive | Automatic (S6) | 16 MPG | 23 MPG | 19 MPG | — | $3,250 / yr |
Data Boundary Note: EPA specifications are shown by certified vehicle configuration. NHTSA complaints and recall totals are recorded at the model-year level across all configurations.
| Tested Drivetrain / Cab Variant | Overall Rating | Frontal Crash | Side Crash | Rollover Rating | Rollover Risk |
| VAN FWD | | | | | 14.000000000000002% |
| VAN AWD | | | | | 14.000000000000002% |
Active Driver Assistance Systems (NHTSA Recorded): Forward Collision Warning (FCW) is documented as Optional and Lane Departure Warning (LDW) is documented as No in official NHTSA records for tested 2015 Toyota Sienna models.
View complete 2015 Toyota Sienna crash test & safety breakdown →
Top Reported Problem Categories
Ranked by total consumer complaint submissions recorded by NHTSA
Data Attribution & Context: Complaints are self-reported by vehicle owners to NHTSA and represent unverified consumer submissions. Complaint volume does not equal a statistically controlled failure rate and is not adjusted for total vehicles sold or cumulative mileage driven.
View all 2015 Toyota Sienna problems & component breakdown (54 categories) →
Affected Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
Defect Summary: Vantage Mobility International, LLC (Vantage) is recalling certain 2012-2018 AMS Genesis wheelchair vans, built on a Toyota Sienna vehicles. The rubber brake hoses that attach to the rear wheel assembly may be too short, causing them to rub against the rear axle trailing arm.
Free Manufacturer Remedy: Vantage will notify owners, and dealers will install a set of rear brake hoses that will provide the proper clearance, free of charge. The recall began December 16, 2019. Owners may contact Vantage customer service at 1-800-488-9082.
Affected Component: SERVICE BRAKES, HYDRAULIC:FOUNDATION COMPONENTS:HOSES, LINES/PIPING, AND FITTINGS
Defect Summary: Braun Corporation (Braun) is recalling certain 2014-2019 Toyota Sienna mobility van conversions. The brake lines may have incorrect tube nut fittings installed, which may cause a pressure drop within the braking system.
Free Manufacturer Remedy: Braun has notified owners, and dealers will install an adaptor to correct the issue, free of charge. The recall began June 25, 2019. Owners may contact Braun customer service at 1-800-488-0359.
Affected Component: STRUCTURE:BODY:DOOR
Defect Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain model year 2011-2016 Toyota Sienna minivans manufactured January 4, 2010, to August 12, 2016. If the power sliding door is unable to be opened when commanded, such as if the door is frozen shut, the door may subsequently open unexpectedly, possibly while the vehicle is moving.
Free Manufacturer Remedy: Toyota will notify owners, and dealers will replace the junction block, rear sliding door wire harnesses, and install two sub wire harnesses, free of charge. The recall began on July 28, 2017. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is G04.
View all 2015 Toyota Sienna recalls & campaign history (6 campaigns) →