Reliability & 5-year cost of ownership — 2021 Toyota Sienna Hybrid
NHTSA data on file today
The 2021 Toyota Sienna Hybrid has 4 NHTSA recall campaigns and 44 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
NCAP overall rating: 5.0 out of 5 stars, averaged across 2 NHTSA-tested trims.
Recall campaigns on file
- NHTSA #25V877000 Wheelchair Restraint Retractor May Not Lock NHTSA notice
- NHTSA #25V086000 Loose Third-Row Seatback Bolts/FMVSS 202 NHTSA notice
- NHTSA #23V865000 OCS Sensors May Short Circuit NHTSA notice
- NHTSA #22V239000 Stability Control Deactivated on Startup/FMVSS 126 NHTSA notice
Most-cited components in owner complaints
- Air Bags 13 complaints
- Service Brakes 8 complaints
- Seats 5 complaints
- Structure 5 complaints
- Electrical System 4 complaints
- Visibility/Wiper 4 complaints
Of the 44 complaints on file, 1 reports a fire; across all 44 complaints, owners report 1 injury (owner-reported, not verified by NHTSA).
Average
Estimated 5-year repair + maintenance cost: $3,500–$6,000AI estimate — not from NHTSA data
The 2021 Toyota Sienna Hybrid faces some reliability concerns mainly from recalls such as seat assembly errors and airbag sensor issues. Yet, the moderate complaint volume suggests average reliability overall in the segment.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| airbags | 10,000–40,000 miles | $300–$600 | common |
| brakes | 20,000–50,000 miles | $250–$450 | common |
| visibility/wipers | 30,000–60,000 miles | $100–$200 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid changes
- Tire rotations and balances
- Engine air filter replacements
- Cabin air filter replacements
- Hybrid system inspections
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Airbag warning lights
- Squealing brakes
- Wiper motor failures
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2021 Toyota Sienna Hybrid at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.