分析
前一年款（2020）每年 5.7 筆，比這一年款少。後一年款（2022）每年 3.2 筆，比這一年款少。2021 年款上路前兩年累積 7 筆申訴，比同年款車的平均低 89%。
最常見的問題類別是安全氣囊與安全帶（佔申訴 32.5%），其次是車身與結構（20.0%）與煞車（12.5%）。安全氣囊與安全帶類申訴在這裡的比例是全部追蹤車款的 8.5 倍。在安全氣囊與安全帶類申訴裡，車主最常提到 “bags recall”、“notification air”、“air bags”、“hybrid”與“confirms available”。有 1 筆申訴（2.5%）提到碰撞或起火；車主通報 1 人受傷、0 人死亡。
一半的事故發生在年款起算 42 個月內；最集中的時期是第三到第五年（佔 32%）。近 12 個月新增 16 筆申訴，前 12 個月是 8 筆，申訴速度在升溫。
NHTSA 列出這個年款 4 件安全召回。 有 50% 的申訴落在召回已處理的零件範圍。有 1 件 NHTSA 缺陷調查涵蓋這個年款，最近一件是「Pedestrian alert sounds」（2023-01-27 開啟，已於 2023-08-07 結案）。
安全召回 (4)
EQUIPMENT ADAPTIVE/MOBILITY:WHEELCHAIR RESTRAINTS/SECUREMENT:LATCH/ANCHOR: 案號 25V877000 · 2025-12-17
摘要: 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.
風險: An unsecured wheelchair can move during transit, increasing the risk of injury.
處置: 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.
SEATS:MID/REAR ASSEMBLY:RECLINER 案號 25V086000 · 2025-02-13
摘要: 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."
風險: An improperly tightened seatback may not adequately restrain the occupant during a crash, increasing their risk of injury.
處置: 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.
AIR BAGS:SENSOR:OCCUPANT CLASSIFICATION 案號 23V865000 · 2023-12-20
摘要: 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.
風險: An air bag that does not deploy during a crash increases the risk of injury.
處置: 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 案號 22V239000 · 2022-04-13
摘要: 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."
風險: Driving with a deactivated stability control system increases the risk of a crash.
處置: 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.
怎麼查你的車有沒有未完成的召回 ›
常見問題
2021 年款 Toyota Sienna 有多少申訴？
NHTSA 收到 2021 年款 Toyota Sienna 共 40 筆申訴，約每車齡年 7.1 筆。
2021 年款 Toyota Sienna 最常見的問題是什麼？
最常見的類別是安全氣囊與安全帶，佔申訴的 32.5%。
2021 年款 Toyota Sienna 有召回嗎？
NHTSA 列出這個年款 4 件安全召回。 有 1 件 NHTSA 缺陷調查涵蓋這個年款，最近一件是「Pedestrian alert sounds」（2023-01-27 開啟，已於 2023-08-07 結案）。
2021 年款 Toyota Sienna 現在還有人在申訴嗎？
近 12 個月新增 16 筆申訴，前 12 個月是 8 筆，申訴速度在升溫。
2021 年款 Toyota Sienna 跟同類車比起來如何？
NHTSA 收到 2021 年款 Toyota Sienna 的車主申訴共 40 筆，換算每車齡年 7.1 筆，以同車齡的車來說申訴比一般車少很多（申訴指數 0.17；1.00 為全部追蹤車款的平均）。在我們追蹤的 85 款 2021 年款車中，它的每年申訴數由少到多排第 15 名。與 Toyota 其他車款相比，它的申訴率低 79%；與其他多人座休旅相比則低 86%。