2021 Toyota Sienna: recalls, fuel economy and safety ratings
EPA rates the 2021 Toyota Sienna at 35–36 mpg combined across 2 versions. NHTSA lists 4 safety recalls and 45 owner complaints for this model year. Its best NHTSA overall crash-test rating is 5 out of 5 stars.
Safety recalls
4
EPA combined mpg
35–36
NHTSA overall rating
5/5
Recall file dated Oct 27, 2026 · EPA file dated Sep 29, 2026 · updated Oct 27, 2026, 7:34 AM EDT
NHTSA lists this vehicle as SIENNA HYBRID.
Check your own car: enter your 17-character VIN at nhtsa.gov/recalls to see open recalls for that exact vehicle, and contact a Toyota dealer to schedule the repair — safety recall repairs are free. The list below covers the whole model year, so not every recall applies to every car.
2021 Toyota Sienna recalls
NHTSA's recall file lists 4 safety recalls for the 2021 Toyota Sienna, newest first.
Vantage Mobility, LLC (VM) is recalling certain 2021-2026 Honda Odyssey, 2021-2025 Chrysler Pacifica, and Toyota Sienna vehicles equipped with QRT-Deluxe and QRT-Max wheelchair restraints. The retractors may not lock, preventing the wheelchair from being properly secured.
Risk
An unsecured wheelchair can move during transit, increasing the risk of injury.
Remedy
Dealers will inspect and replace the retractors, free of charge. Owner notification letters was mailed January 27, 2026. Owners may contact Vantage Mobility customer service at 1-800-488-9082.
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2021-2025 Sienna Hybrid vehicles. The bolts for the seatbacks on the third-row seat assemblies may not be tightened properly. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard (FMVSS) numbers 202, "Head Restraints," 207, "Seating Systems," and 225, "Child Restraint Anchorage Systems."
Risk
An improperly tightened seatback may not adequately restrain the occupant during a crash, increasing their risk of injury.
Remedy
Dealers will tighten the seat assembly bolts, free of charge. Owner notification letters were mailed April 1, 2025. Owners may contact Toyota's customer service at 1-800-331-4331. Toyota's number for this recall is 25TA05.
Toyota Motor Corporation (manufacturer recall no. 23TA15, 23LA03)
Units affected
999,901 (estimate)
Problem
Toyota Motor Engineering & Manufacturing (Toyota) is recalling certain 2020-2021 Avalon, Avalon Hybrid, Corolla, Highlander, Highlander Hybrid, RAV4, RAV4 Hybrid, Lexus ES350, Lexus RX350, Lexus RX450H, 2021 Sienna Hybrid, Lexus ES250, 2020-2022 Camry, Camry Hybrid, and ES300H vehicles. A short circuit may develop in the Occupant Classification System (OCS) sensor, preventing the front passenger air bag from deploying.
Risk
An air bag that does not deploy during a crash increases the risk of injury.
Remedy
Dealers will inspect and replace the sensor as necessary, free of charge. Interim letters notifying owners of the safety risk were mailed in February 2024. Some final remedy owner letters were mailed October 31, 2024. Letters will continue to be mailed in phases through January 2026. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 23TB15/23TA15 Lexus 23LB03/23LA03.
Electronic stability control (ESC): Control module: Software
NHTSA 22V239000Reported Apr 13, 2022
Filed by
Toyota Motor Corporation (manufacturer recall no. 22TA03, 22LA01)
Units affected
458,110 (estimate)
Problem
Toyota Engineering & Manufacturing (Toyota) is recalling certain 2022 Lexus LX 600, Lexus NX 350h, Lexus NX 450h+, Toytoa RAV4 Hybrid, 2021-2022 Lexus LS 500h, Toyota Mirai, RAV4 PRIME, Sienna, Venza, and 2020-2022 Toyota Highlander Hybrid vehicles. The Skid Control ECU software may not turn on the Vehicle Stability Control (VSC) system when the vehicle is restarted after the driver has disabled the VSC system. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 126, "Electronic Stability Control Systems."
Risk
Driving with a deactivated stability control system increases the risk of a crash.
Remedy
Dealers will update the Skid Control ECU software, free of charge. Owner notification letters were mailed May 27, 2022. Owners may contact Toyota customer service at 1-800-331-4331. Toyota's number for this recall is 22TA03. Lexus' number for this recall is 22LA01.
Recall summaries are written by NHTSA from manufacturers' defect reports. Dates are when NHTSA received the report.
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2021 Toyota Sienna fuel economy by version
EPA city/highway/combined estimates for each engine, transmission and drive combination. Annual fuel cost is EPA's estimate for 15,000 miles a year (55% city, 45% highway) at EPA's current fuel-price assumptions; your cost will vary.
Source: FuelEconomy.gov (U.S. DOE and EPA), file dated Sep 29, 2026. Each version links to its FuelEconomy.gov record.
EPA estimates come from standardized lab tests so cars can be compared fairly; real-world mileage depends on speed, weather, load, tires and driving style.
2021 Toyota Sienna crash-test ratings
NHTSA 5-Star Safety Ratings for the tested versions. More stars mean a lower chance of serious injury in that type of crash. Rollover risk is NHTSA's estimated chance of rolling over in a single-vehicle crash.
2021 Toyota Sienna NHTSA 5-Star Safety Ratings
Tested vehicle
Overall
Frontal
Side
Rollover
Rollover risk
Forward collision warning
2021 Toyota SIENNA HYBRID VAN AWD
5 stars
4 stars
5 stars
4 stars
12.7%
Standard
2021 Toyota SIENNA HYBRID VAN FWD
5 stars
4 stars
5 stars
4 stars
14%
Standard
Source: NHTSA 5-Star Safety Ratings (New Car Assessment Program), checked Oct 26, 2026.
Star ratings compare vehicles of similar size and weight; a frontal rating for a large pickup is not directly comparable with one for a small car.
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2021 Toyota Sienna owner complaints
Owners have filed 45 complaints with NHTSA about the 2021 Toyota Sienna, most recently on Oct 9, 2026. 0 mention a crash, 1 a fire, 1 injured people and 0 deaths. These are unverified reports; a complaint is not proof of a defect.
Most-cited components in 2021 Toyota Sienna complaints
Component named in complaints
Mentions
Air bags
13
Service brakes
8
Seats
5
Visibility/wiper
4
Electrical system
3
Engine
3
Structure: Body
3
Unknown or other
3
Exterior lighting
2
Power train
2
Source: NHTSA consumer complaint files (complaints received since January 1, 2015). One complaint can name several components.
