2020 Toyota Sienna Safety Report
2020 TOYOTA SIENNA Safety Analysis
Safety Decision Cockpit for the 2020 Toyota Sienna
This page is the hub for deciding what to inspect next on the 2020 Toyota Sienna. It connects recall campaigns, owner complaint patterns, service bulletins, sibling model years, component issue hubs, and the model buying guide so a shopper or owner can move from a single report into the wider safety graph.
| Signal | Value | What to inspect next |
|---|---|---|
| Recall burden | Moderate (2) | Review campaign numbers, affected components, and dealer remedies below. |
| Owner complaints | Moderate (32) | Scan complaint narratives for recurring symptoms, mileage, crashes, fires, injuries, and dates. |
| Crash and fire reports | 1 | Treat any crash, fire, injury, or fatality-linked pattern as a priority pre-purchase inspection item. |
| Primary component hub | Power Train | Compare power train issues across vehicles. |
| Cleaner nearby model year | 2019 | Compare against the 2019 Toyota Sienna with 43 complaints and 7 recalls. |
| Riskier nearby model year | 2015 | Check the 2015 Toyota Sienna before buying across this generation. |
Toyota Sienna Year-by-Year Comparison
The safest purchase decision usually comes from comparing neighboring model years, not reading a single page in isolation. The table below uses only validated Toyota Sienna years already present in the cleaned NHTSA dataset, so each comparison links to a real vehicle safety report rather than a generated combination.
| Model Year | Complaints | Recalls | Use case |
|---|---|---|---|
| 2019 Toyota Sienna | 43 | 7 | Inspect as a potentially higher-complaint year. |
| 2018 Toyota Sienna | 67 | 7 | Inspect as a potentially higher-complaint year. |
| 2017 Toyota Sienna | 141 | 10 | Inspect as a potentially higher-complaint year. |
| 2016 Toyota Sienna | 75 | 5 | Inspect as a potentially higher-complaint year. |
| 2015 Toyota Sienna | 218 | 6 | Inspect as a potentially higher-complaint year. |
2020 Toyota Sienna Complaint Theme Map
Complaint counts become more useful when they are grouped into inspection themes. For the 2020 Toyota Sienna, these are the component areas with the clearest NHTSA complaint signals. Use each link to jump from this single vehicle into broader component hubs and make-specific issue pages.
Power Train
4 owner complaints mention this component in the current safety profile.
All Power Train issues Toyota onlyFuel/Propulsion System
4 owner complaints mention this component in the current safety profile.
All Fuel/Propulsion System issues Toyota onlyStructure
3 owner complaints mention this component in the current safety profile.
All Structure issues Toyota onlyElectrical System
3 owner complaints mention this component in the current safety profile.
All Electrical System issues Toyota onlyUnknown Or Other
3 owner complaints mention this component in the current safety profile.
All Unknown Or Other issues Toyota onlySteering
2 owner complaints mention this component in the current safety profile.
All Steering issues Toyota onlyAI Safety Analysis for the 2020 Toyota Sienna
Reliability Score
The 2020 Toyota Sienna receives a reliability score of 5 out of 100 based on analysis of NHTSA complaint data, recall history, crash reports, and safety ratings. This indicates below-average reliability. Significant issues have been reported by owners and should be carefully evaluated before purchase.
NHTSA Safety Ratings for the 2020 Toyota Sienna
The National Highway Traffic Safety Administration (NHTSA) evaluates vehicles through controlled crash tests and assigns star ratings from 1 to 5, with 5 being the safest.
Known Issues for the 2020 Toyota Sienna
The following issues have been identified from NHTSA complaint data and owner reports for the 2020 Toyota Sienna:
| Issue | Severity | Frequency | Typical Mileage |
|---|---|---|---|
| Fuel System, Gasoline Recalled for fuel pump issues, affecting 2018-2019 4Runner and 2019-2020 Sienna models. |
Medium | Common | 30k-60k miles |
| Transmission A catastrophic failure occurred in a 2020 model at 85,000 miles, leading to a complete transmission failure. |
High | Common | 85,000 miles miles |
| Steering Steering issues have been reported, with a recall by Braun Corporation for certain modified 2017-2020 Sienna vehicles. |
Medium | Common | 30k-60k miles |
| Power Sliding Door Driver side rear sliding door bound shut, disabling the power door system. |
Medium | Common | 30k-60k miles |
Common Problems Reported by Owners
Based on NHTSA complaint data, the following components account for the majority of reported issues with the 2020 Toyota Sienna:
Transmission issues are a common problem, affecting 4% of vehicles.
Fuel system issues are reported in 2% of vehicles.
Steering issues are reported in 2% of vehicles.
Power sliding door issues are reported in 2% of vehicles.
Recall Details for the 2020 Toyota Sienna
The following 2 recalls have been issued for the 2020 Toyota Sienna by NHTSA:
Summary: Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2018-2019 4Runner, 2019-2020 Avalon, 2019 Corolla Hatchback, 2017-2019 Highlander, 2018-2020 Camry, 2020 Corolla, 2018-2019 Land Cruiser, 2017-2020 Tacoma, 2019-2020 RAV4, 2019-2020 Sequoia, 2017-2020 Sienna, 2019-2020 Tundra, 2018-2020 Lexus ES350, 2017 Lexus GS200t, 2017-2019 Lexus GS350, 2019 Lexus GS300, 2018-2020 Lexus LC500h, 2019-2020 Lexus LS500, 2018-2019 Lexus GX460, 2017 Lexus IS200t, 2019 Lexus IS300, 2019 Lexus I...
Consequence: If the fuel pump fails, the engine can stall while driving, increasing the risk of a crash.
Remedy: Toyota will notify owners, and dealers will replace the fuel pump assembly with an improved one, free of charge. Owners of specific models were notified that remedy parts were available starting January 21, 2021. Owners of other models will be notified as remedy parts become available. Remedy parts should be available for all affected vehicles by late March 2021. Owners may contact Toyota cust...
Summary: Braun Corporation (Braun) is recalling certain modified 2017-2020 Toyota Sienna vehicles. The steering shaft extensions may have been improperly manufactured, possibly causing the extensions to fracture.
Consequence: If the steering shaft extension completely fractures, it can cause a loss of steering, increasing the risk of a crash.
Remedy: Braun has notified owners, and dealers will replace the steering shaft extensions, free of charge. The recall began July 25, 2019. Owners may contact Braun customer service at 1-800-488-0359.
NHTSA Complaint Summaries for the 2020 Toyota Sienna
Below are complaint narratives filed by owners of the 2020 Toyota Sienna with the National Highway Traffic Safety Administration. 1 involved fires.
The power sliding door assembly failed, and the driver side rear sliding door was bound shut, and could not be opened. Disabling the power door system did not resolve the issue. The cable for the power door mechanism was hanging below the rear vent windows; but for some reason the door still would not open. I ultimately with a lot of gentle force was able to get the door open enough to see the ...
"I've owned the vehicle for five years, and recently I started hearing a whining noise coming from the transmission. After doing some research, I discovered that I'm not alone in experiencing this issue. The dealer told me that the transmission itself is the problem and recommended replacing the entire transmission. However, a second opinion suggested that this kind of noise isn't normal. I'm worr...
A catastrophic failed automatic transmission; UA80E of Toyota Sienna 2020 at 85,000 miles. It occurred while I've been driving downhill. No warning lights, not overheating, no diagnostic ODB code, no other indications prior to the failure. Failure created a substantial safety risk for myself, my four passengers and other road users. Sudden loss of transmission function could lead to potential da...
In August of 2024, we noticed the drivers side rear view mirror had come loose from it's external housing and was only tethered by wiring that was for mirror movement, defrosting and blind spot awareness. In order for it to be safe to use, we had to duct tape it so that it would not move. Unfortunately, the mirror continues to loosen and has to be retaped frequently. We took it to our dealer (McG...
The contact owns a 2020 Toyota Sienna. The contact stated that while his wife was driving at an undisclosed speed, the pre collision, lane assist, and air bag warning lights illuminated on the instrument panel. The vehicle was taken to a dealer and a fuse in the ECU (Electronic Control Unit) was replaced; however, the contact stated that approximately 10 days later, the failure recurred. The vehic...
Hinge rust on fuel door causing it to break and not let rear passenger door auto open (because switch won't make up) hinge is very weakly built
Sun roof leaking or clogging causing water to get inside vehicle. Causing extensive damages and malfunctions
Spontaneous and random: Blinkers come on, radio volume goes up or down when turning the other way, CarPlay USB shuts off and on, hiccups when accelerating (when ECO kicks on/in)…everything points to an electrical/computer issue. Purchased used from a dealership and noticed these issues after the 3-day return window.
Speakers make an ear piercing loud noise that lasts about a second. If this sound were to occur during travel, could cause distraction leading to harm, or with young kids in the car, possibly damage their ears. This problem has been random and not experienced by a dealership. No warning messages or symptoms to the problem. Problem first appeared 6 months ago.
The passenger side rear door unlocked and opened by itself in the middle of the night, no warning messages were given previously, doors were locked that night. Keys were not accidentally pressed on. It seems that others have had similar problems with Toyota Siennas in the past as well.
The contact owns a 2020 Toyota Sienna. The contact stated while driving at various speeds, the vehicle lost power steering assist. Additionally, the "Check Vehicle Stability Control System", "Pre-Collision System Malfunction", and "Lane Departure Alert" messages were displayed. The vehicle was initially taken to an independent mechanic where the rack and pinion was replaced; however, the failure p...
The brake peddle is too small, it feels like my foot is going to come off of it or miss it. Some time's I lose a second or two trying to locate it with my foot, very frightening, and dangerous Every vehicle I have ever owned had a brake peddle twice that size. Yes it's a mini van, but the brake peddle does not need to be mini. This vehicle can carry 8 adults with lots of extra room, it sh...
I came to sellers home to look at his van. His ad said mileage was 77k and odometer also read 77k. When I ran the Carfax, I noticed CA DMV registered title at 143k. Seller admitted to replacing dashboard when confronted. Address of seller is [XXX] . I don't have a name. INFORMATION REDACTED PURSUANT TO THE FREEDOM OF INFORMATION ACT (FOIA), 5 U.S.C. 552(B)(6)
The contact owns a 2020 Toyota Sienna. The contact stated while driving approximately 15 MPH and making a turn, the brake pedal was depressed, and the vehicle skidded. The ABS warning light was illuminated. There was an abnormal sound coming from the vehicle. The vehicle was taken to the local dealer, where it was diagnosed that there was a speed sensor short circuit on the front passenger’s side,...
My car was not shifting gears, and it would go into brief periods of erratic acceleration. I took it to the dealer service dept. The transmission went bad. It had metal pieces broken off inside it. The car is 3 years old and only has approximately 70,900 miles on it. It was dangerous to drive. It put me, my kids, and other drivers at risk due to the erratic shifting it would do while driving....
For a month prior, there were intermittent incidents of the van shuddering and the RPM needle jumping upon ignition. Sometimes the van would have a hard time accelerating before jerking and driving normally. No issues before this started in late July and no indication when/where would occur. •September 15: drove the van all day running errands. It drove normally. Filled up the gas tank (Gulf gas s...
The van has been periodically hesitating, rough idles, and when parked the rpm revs. On 9/13/22, the van was shaking, hesitating, and would not accelerate. It was undrivable and had to be towed. We took it to Toyota of Irving where they charged us $725 to flush the gas and clean the fuel injection system. Despite this, it is still hard idling and hesitating.
The contact owns a 2020 Toyota Sienna. The contact stated while driving approximately 60-65 MPH, the vehicle stalled temporarily. Several unknown warning lights were illuminated. The contact depressed the accelerator pedal and was able to continue driving. The contact later received notification of NHTSA Campaign Number: 20V682000 (Fuel System, Gasoline) and the vehicle was taken to the dealer for...
Engine stalled in heavy traffic after full stop at red light. No warning lights. Managed to pull off the road. Still no warning lights. Turned engine off then started normally. Drove to destination normally. After about one hour parked started engine but it stumbled on and off for the next few minutes but did not die. Has not reoccurred. Outside temps were in the 60's. It was first trip of...
Jack provided with vehicle failed during change of tire.
Showing 20 of 32 complaints. Additional complaints are available via the NHTSA database.
Frequently Asked Questions About the 2020 Toyota Sienna
Has the 2020 TOYOTA SIENNA been recalled?
Yes, the 2020 TOYOTA SIENNA has 2 recalls on record with NHTSA. Each recall addresses a specific safety defect identified by the manufacturer or NHTSA.
How many complaints does the 2020 TOYOTA SIENNA have?
The 2020 TOYOTA SIENNA has 32 complaints filed with NHTSA. None of the complaints involved crashes. No injuries or deaths have been reported.
What is the safety rating for the 2020 TOYOTA SIENNA?
The 2020 TOYOTA SIENNA received an overall NHTSA safety rating of excellent (5/5). Frontal crash: 4/5. Side crash: 5/5. Rollover: 4/5.
What are the most common problems with the 2020 TOYOTA SIENNA?
The most commonly reported problems with the 2020 TOYOTA SIENNA involve power train (4 complaints), fuel/propulsion system (4 complaints), structure (3 complaints). Other affected components include electrical system, unknown or other, steering.
How many crash reports does the 2020 TOYOTA SIENNA have?
There are no crash reports associated with the 2020 TOYOTA SIENNA in the NHTSA database.
How many fire reports does the 2020 TOYOTA SIENNA have?
There are 1 fire reports for the 2020 TOYOTA SIENNA out of 32 total complaints. Fire reports are among the most serious safety concerns tracked by NHTSA.
Are there any deaths reported for the 2020 TOYOTA SIENNA?
No deaths have been reported in NHTSA complaints for the 2020 TOYOTA SIENNA.
How many injuries are reported for the 2020 TOYOTA SIENNA?
No injuries have been reported in NHTSA complaints for the 2020 TOYOTA SIENNA.
Should I buy a 2020 TOYOTA SIENNA?
Based on NHTSA data, the 2020 TOYOTA SIENNA is generally recommended. It has 32 complaints, 2 recalls, and a excellent (5/5) safety rating. Always have a pre-purchase inspection done by a qualified mechanic.
What components fail most on the 2020 TOYOTA SIENNA?
The components with the most failures on the 2020 TOYOTA SIENNA are: 1. POWER TRAIN (4 complaints), 2. FUEL/PROPULSION SYSTEM (4 complaints), 3. STRUCTURE (3 complaints), 4. ELECTRICAL SYSTEM (3 complaints), 5. UNKNOWN OR OTHER (3 complaints). POWER TRAIN is the single most-reported problem area with 4 complaints.
What should I know before buying a 2020 TOYOTA SIENNA?
Be aware of potential transmission and fuel system issues, and check for recalls. Regular maintenance is crucial. The 2020 TOYOTA SIENNA has 32 NHTSA complaints and 2 recalls on record. NHTSA rates it excellent (5/5).
How reliable is the 2020 TOYOTA SIENNA?
The 2020 TOYOTA SIENNA receives a reliability score of 5/100, indicating below-average reliability. This is based on 32 owner complaints, 2 recalls, and 1 crash/fire reports in the NHTSA database. Key known issues include Fuel System, Gasoline and Transmission.
What are the known issues with the 2020 TOYOTA SIENNA?
Known issues with the 2020 TOYOTA SIENNA include: Fuel System, Gasoline, Transmission, Steering, Power Sliding Door. These are based on patterns found across 32 NHTSA complaints. 2 of these patterns resulted in formal recalls.
What are the most common issues with the 2020 Toyota Sienna?
Common issues include transmission failures, fuel system problems, steering issues, and power sliding door malfunctions.
Are there any recalls for the 2020 Toyota Sienna?
Yes, there are recalls for fuel pump issues and steering problems.
Can the power sliding door malfunction cause safety concerns?
Yes, a malfunctioning power sliding door can lead to the door being bound shut, posing a safety risk.
Buyer Advice
Our recommendation: Be aware of potential transmission and fuel system issues, and check for recalls. Regular maintenance is crucial.
NHTSA Data Summary for 2020 Toyota Sienna
This safety report is based on a comprehensive analysis of data from the National Highway Traffic Safety Administration (NHTSA) for the 2020 Toyota Sienna. The data includes 32 consumer complaints filed by vehicle owners, 2 manufacturer-initiated safety recalls, 1 fire incidents, and safety rating assessments associated with this vehicle.
The NHTSA has assigned the 2020 Toyota Sienna an overall safety rating of 5 out of 5 stars, with a frontal crash rating of 4 stars, a side crash rating of 5 stars, and a rollover rating of 4 stars. These ratings are determined through controlled crash testing conducted by the NHTSA.
All data presented in this report is sourced from public NHTSA databases. Our AI analysis identifies patterns across complaint narratives, correlates them with recall history, and produces the safety assessment above. This analysis is updated as new complaints and recalls are filed with the NHTSA.
Consumers are encouraged to report vehicle safety problems to the NHTSA at nhtsa.gov. If your vehicle is subject to a recall, contact your dealer to schedule the free repair.
Disclaimer: This analysis is AI-generated from NHTSA public data and does not constitute professional automotive or safety advice. Always verify recall status at NHTSA.gov and consult a qualified mechanic.
Analysis last updated: 2026-05-16