Is the 2021 Toyota Sienna Hybrid reliable?

There isn't enough NHTSA complaint data on file yet to give this model year a verdict.

What are the most common problems with the 2021 Toyota Sienna Hybrid?

The most-reported component is air bags, accounting for 29% of complaints on file.

How many recalls does the 2021 Toyota Sienna Hybrid have?

3 recalls on file for this model year.

2021 Toyota Sienna Hybrid

○ Not enough data

2021 Toyota Sienna Hybrid
RENDERED 2026-11-01T13:50:33.319Z

Not enough comparison years on file yet for a fair verdict.

This verdict reflects complaint volume compared to this model's typical year. Recalls and safety issues below apply regardless of the verdict — always check them.

How is this computed?

Complaints: 42
Recalls: 3
Investigations: 1
Top problem: Air bags

Complaints per year

2021: 42 complaints

View as data table

Year	Complaints
2021	42
2022	21
2023	71
2024	70
2025	265
2026	16

Known problem areas

Percentages can add to more than 100% — a complaint can name more than one system.

Air bags

29% · 12 reports

Show complaint excerpts

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.

NHTSA ODI report, 2024-02-07

Service brakes

17% · 7 reports

Most commonly citing hydraulic.

Show complaint excerpts

FAILURE: Brake control system. Vehicle intermittently surges forward while braking at low speed, most often through a curve â the brakes momentarily release and the vehicle lurches before braking resumes.

NHTSA ODI report, 2026-07-13

Seats

12% · 5 reports

INJURY

Show complaint excerpts

Headliner cut too large, doesn't hold rear passenger climate controls, climate controls fall out and hit rear passengers. This happens at any speed.

NHTSA ODI report, 2021-05-11

Also filed under Structure and exterior lighting

The electronic driver's seat motor and track assembly failed completely on my 2021 Toyota Sienna (VIN: [XXX]) at less than 18,000 miles. The seat is permanently seized in a fixed position.

NHTSA ODI report, 2026-09-02

Structure

12% · 5 reports

Most commonly citing body and support device/strut.

INJURY

Show complaint excerpts

My liftgate has been making loud noises upon closing. The dealership checked it and diagnosed that the trunk door is mis-aligned, leaving a gap so that the door WOULD NOT SECURELY CLOSE.

NHTSA ODI report, 2026-09-02

Visibility/wiper

10% · 4 reports

Safety timeline

3 recalls · 1 investigation · oldest first

To check one car, enter its VIN on the NHTSA recall page. Check a VIN →

R

2022-05-27Electronic stability control (esc)22V239000 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.

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.

Check if this car was fixed →
I
2023-01-27Defect petitionClosed 2023-08-07 Pedestrian alert sounds
R

2024-10-31Air bags23V865000 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...

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.

Check if this car was fixed →
R

2025-04-01Seats25V086000 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.

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.

Check if this car was fixed →

Buy-smart checklist

2021 Toyota Sienna Hybrid — pre-purchase inspection

Inspect

Air bags: 12 reports on file for this year.
Service brakes: 7 reports on file for this year.
Seats: 5 reports on file for this year.

Verify these recalls were completed

Recall 22V239000 · Electronic stability control (esc)
Recall 23V865000 · Air bags
Recall 25V086000 · Seats

FAQ

Is the 2021 Toyota Sienna Hybrid reliable?: There isn't enough NHTSA complaint data on file yet to give this model year a verdict.
What are the most common problems with the 2021 Toyota Sienna Hybrid?: The most-reported component is air bags, accounting for 29% of complaints on file.
How many recalls does the 2021 Toyota Sienna Hybrid have?: 3 recalls on file for this model year.

Data updated 2026-11-01 · Complaints are unverified owner reports filed with NHTSA, not independently verified defects. Methodology.