{"id":"2021_toyota_sienna","make":"Toyota","make_slug":"toyota","model":"Sienna","model_slug":"sienna","year":2021,"url":"/toyota/sienna/2021/","pts":["hev"],"configs":[{"id":43470,"model":"Sienna Hybrid 2WD","pt":"hev","drive":"Front-Wheel Drive","trany":"Automatic (AV-S6)","cyl":4,"displ":2.5,"eng":"SIDI & PFI; Hybrid","turbo":false,"super":false,"start_stop":true,"city":36,"hwy":36,"comb":36,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"288V Ni-MH","fuel":"Regular","vclass":"Minivan - 2WD","co2":246,"fe_score":8,"ghg_score":8,"fuel_cost":1750,"save_spend":2500,"guzzler":false,"mfr_code":"TYX","modified":"Mon Apr 26 00:00:00 EDT 2021"},{"id":43471,"model":"Sienna Hybrid AWD","pt":"hev","drive":"All-Wheel Drive","trany":"Automatic (AV-S6)","cyl":4,"displ":2.5,"eng":"SIDI & PFI; Hybrid","turbo":false,"super":false,"start_stop":true,"city":35,"hwy":36,"comb":35,"cityA":0,"hwyA":0,"combA":0,"kwh100":null,"range":null,"range_city":null,"range_hwy":null,"erange":null,"phev_comb":null,"charge240":null,"charge240b":null,"charger":"","charger_b":"","motor":"288V Ni-MH","fuel":"Regular","vclass":"Minivan - 4WD","co2":253,"fe_score":7,"ghg_score":7,"fuel_cost":1800,"save_spend":2250,"guzzler":false,"mfr_code":"TYX","modified":"Mon Apr 26 00:00:00 EDT 2021"}],"vclass":"Minivan - 2WD","segment":"Minivan","recalls":[{"campaign":"25V877000","component":"EQUIPMENT ADAPTIVE/MOBILITY:WHEELCHAIR RESTRAINTS/SECUREMENT:LATCH/ANCHOR:","mfr":"Vantage Mobility","reported":"2025-12-17","owner_notified":"2026-01-27","units":1019,"summary":"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.","consequence":"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.","notes":"","park_outside":false,"do_not_drive":false,"mfr_campaign":"","initiated_by":"MFR","variants":["hev"],"severity":"high"},{"campaign":"25V086000","component":"SEATS:CRITICAL FASTENERS","mfr":"Toyota Motor Engineering & Manufacturing","reported":"2025-02-13","owner_notified":"2025-04-01","units":167802,"summary":"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.\"","consequence":"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.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 888-327-4236 (TTY 888-275-9171) or go to nhtsa.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"25TA05","initiated_by":"MFR","variants":["hev"],"severity":"high"},{"campaign":"23V865000","component":"AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION","mfr":"Toyota Motor Engineering & Manufacturing","reported":"2023-12-20","owner_notified":"2024-10-31","units":999901,"summary":"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.","consequence":"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.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"23TA15, 23LA03","initiated_by":"MFR","variants":["hev"],"severity":"high"},{"campaign":"22V239000","component":"ELECTRONIC STABILITY CONTROL (ESC):CONTROL MODULE:SOFTWARE","mfr":"Toyota Motor Engineering & Manufacturing","reported":"2022-04-13","owner_notified":"2022-05-27","units":458110,"summary":"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.\"","consequence":"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.","notes":"Owners may also contact the National Highway Traffic Safety Administration Vehicle Safety Hotline at 1-888-327-4236 (TTY 1-800-424-9153), or go to www.nhtsa.gov.","park_outside":false,"do_not_drive":false,"mfr_campaign":"22TA03, 22LA01","initiated_by":"MFR","variants":["hev"],"severity":"minor"}],"recall_count":4,"critical_count":0,"park_outside":false,"do_not_drive":false,"score":73,"grade":"C","complaints":{"count":41,"crash":0,"fire":1,"injured":1,"deaths":0,"comps":[["Air Bags",13],["Service Brakes",6],["Seats",5],["Visibility/Wiper",4],["Structure",4],["Engine",3]],"by_year":{"2020":1,"2021":5,"2022":1,"2023":2,"2024":9,"2025":6,"2026":17},"excerpts":[["2025-08-06","Air Bags","The contact owns a 2021 Toyota Sienna Hybrid. The contact received notification of NHTSA Campaign Number: 23V865000 (Air Bags). Upon contacting the local dealer, the contact was informed that the parts for the recall repair were on backorder. The contact had not experienced a failure related to the recall. The manufact\u2026"],["2025-07-22","Air Bags","The contact owns a 2021 Toyota Sienna Hybrid. The contact received notification of NHTSA Campaign Number: 23V865000 (AIR BAGS); however, the part to do the recall repair was not yet available. The contact stated that the SRS warning light was illuminated. The local dealer was contacted. The contact stated that the manu\u2026"],["2025-04-01","Seats","The contact owns a 2021 Toyota Sienna Hybrid. The contact stated that while the vehicle was parked, the contact observed a melted spot, almost identical on the driver\u00e2\u20ac\u2122s and front passenger\u00e2\u20ac\u2122s lower back rest on the seats. The vehicle was not diagnosed or repaired. The manufacturer was notified of the failure. The fa\u2026"]]},"investigations":[{"action":"DP22005","component":"ELECTRICAL SYSTEM:PROPULSION SYSTEM","opened":"2023-01-27","closed":"2023-08-07","campaign":"22V063000","subject":"Pedestrian alert sounds","summary":"NHTSA received a petition on or about July 18, 2022, requesting that Federal Motor Vehicle Safety Standard (FMVSS) 141 be applied to all electric and hybrid vehicles operating in the United States. The petition can be reviewed at NHTSA.gov under ODI Number 11486072. FMVSS 141 establishes performance requirements for pedestrian alert sounds for motor vehicles. The standard applies to hybrid and electric vehicles that have a gross vehicle weight rating of 4,536 KG or less or are defined as low-speed vehicles. The standard became fully applicable to all such vehicles manufactured on or after March 1, 2021.On January 27, 2023, NHTSA opened Defect Petition (DP) 22-005 to evaluate the subject matt"}],"ncap":[{"desc":"VAN AWD","overall":5,"frontal":4,"side":5,"rollover":4,"rollover_risk":0.127,"seats":null,"fcw":"Standard","ldw":"Standard","aeb":"Standard","esc":"","backup_cam":"","variant":"hev"},{"desc":"VAN FWD","overall":5,"frontal":4,"side":5,"rollover":4,"rollover_risk":0.14,"seats":null,"fcw":"Standard","ldw":"Standard","aeb":"Standard","esc":"","backup_cam":"","variant":"hev"}],"popularity":39,"headline":{"range":null,"mpg":36,"ncap":5,"complaints":41},"presskit_trims":[],"generated_at":"2026-09-11 05:01 UTC","sources":["EPA fueleconomy.gov","NHTSA recalls","NHTSA complaints","NHTSA NCAP","NHTSA investigations"]}