2021 Toyota Sienna Report
Known issues, recalls, running costs, and what to check before you buy.
Overall Score
Key Takeaways
- The braking system is the primary concern, with numerous complaints about unexpected acceleration or disengagement, posing a serious safety risk.
- Persistent airbag issues and a high recall count (12) suggest potential for ongoing problems and associated repair costs.
- Third-row seats failing to stay stowed present a practical hazard that requires verification.
- While EPA fuel economy figures are listed as 0, real-world MPG should be confirmed, as this model typically offers good fuel efficiency.
2021 Toyota Sienna
The 2021 Toyota Sienna, a minivan designed for families, presents a mixed bag for used car shoppers. While offering practicality, its reliability is a notable concern, underscored by a high number of recalls and complaints. The most alarming issues revolve around the service brakes, with reports of unexpected acceleration or disengagement, and persistent airbag system problems. Given the 12 recalls and 213 complaints, potential buyers should be aware of these significant safety and mechanical risks. Confirming that all recalls, particularly those related to the Skid Control ECU software, have been addressed is crucial.
Critical Failure Risk
Vehicle surges forward unexpectedly or loses braking power, particularly during deceleration or low-speed maneuvers.
Early detection can help you avoid a $300-$1,500 repair.
Safety & Bulletins
Owner Complaints
Performance & Efficiency
- Horsepower
- 245HP
- Torque
- 176 lb–ftLB-FT
Reliability
Practicality
The score is supported by solid day-to-day usability signals.
Who This Car Is For
Best for
Budget-conscious buyers prioritizing space who are willing to undertake rigorous pre-purchase inspections and potentially invest in extended warranties.
+1 more buyer-fit notes in the full report
Avoid if
Buyers seeking a trouble-free ownership experience or those prioritizing top-tier safety ratings.
+1 more buyer-fit warnings in the full report
2021 Toyota Sienna Reliability Analysis
Explore comprehensive reliability data including official safety recalls, consumer complaints, and common mechanical failures for the 2021 Toyota Sienna.
Vehicle Specs
- Seating Capacity
- 7
- Horsepower
- 245 hp
- Torque
- 176 lb-ft
- Transmission
- Continuously Variable Transmission (CVT)
- Drivetrain
- FWD/AWD
- Body Style
- Minivan
- MSRP Range
- $34,460 - $51,115
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See the full 2021 Toyota Sienna buyer report before you decide
Most Common Issues
1. Braking System
Most reportedUsage: 79 reports
2. Seats
Usage: 16 reports
First Service Interval
- Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Engine Oil, Engine Oil Filter) - Tire Rotation and Inspection
Est. shop cost: $75 - $125
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FAQ
Is the 2021 Toyota Sienna reliable?
The CarFocal Reliability Score for the 2021 Toyota Sienna is 7.4/10. Reliability score is 7.4/10. NHTSA recalls: 12. Owner complaints: 213.
How practical is the 2021 Toyota Sienna for daily use?
Practicality score is 9.5/10. The score is supported by solid day-to-day usability signals. Seating capacity is 7. 4 passenger doors are listed. Boot capacity is 949 litres.
What is the overall score for the 2021 Toyota Sienna?
The CarFocal Overall Score for the 2021 Toyota Sienna is 6.9/10. Overall score is 6.9/10 (Good). Confidence 41%. Maintenance 7.0/10. Tuning 2.0/10. Practicality 9.5/10.
What does it cost to own and maintain a 2021 Toyota Sienna?
Based on Carfocal's data, First listed service: - Oil Change (5W-30 Synthetic) (Parts: 5W-30 Synthetic Engine Oil, Engine Oil Filter) - Tire Rotation and Inspection at 5,000 miles. Estimated first-year maintenance: $1,000 - $1,500. Repair prediction highlight: Braking System (typical at 30,000 miles, estimated cost Min: $300 • Max: $1,500).
What is the MSRP range for the 2021 Toyota Sienna?
MSRP range is $34,460 - $51,115.
What engine is in the 2021 Toyota Sienna?
Engine specs list Inline-4. Output is 245 hp • 176 lb-ft.
What transmission does the 2021 Toyota Sienna use?
According to CarFocal's specs for the 2021 Toyota Sienna, transmission is Continuously Variable Transmission (CVT). The paired drivetrain is FWD/AWD.
What driver assistance and safety features are available on the 2021 Toyota Sienna?
15 standard driver assistance features. Key features include Anti-lock Braking System, Electronic Stability Control, Traction Control.
What is the fuel economy range for the 2021 Toyota Sienna?
According to CarFocal's specs for the 2021 Toyota Sienna, fuel economy range is 35-36 mpg combined.
How many people fit in a 2021 Toyota Sienna?
According to CarFocal's specs for the 2021 Toyota Sienna, seating capacity is 7.
What body style is the 2021 Toyota Sienna?
According to CarFocal's specs for the 2021 Toyota Sienna, body style is minivan.
What drivetrain does the 2021 Toyota Sienna use?
According to CarFocal's specs for the 2021 Toyota Sienna, drivetrain is FWD/AWD. Transmission is Continuously Variable Transmission (CVT).
Is the 2021 Toyota Sienna good for tuning?
Tuning potential is rated 2/10. The 2021 Toyota Sienna is a family-oriented minivan with a standard hybrid powertrain, prioritizing fuel efficiency and practicality over pe...
Should I tune the 2021 Toyota Sienna?
The Toyota Sienna is a minivan with a hybrid powertrain, which generally limits aftermarket tuning options for engine performance. While suspension and aesthetic modifications are possible, the core engine and ECU tuning for significant horsepower gains are not feasible.
What are the most common service brakes problems on the 2021 Toyota Sienna?
Top complaint category: service brakes (79 reports, 37.1% of complaints).
Are there open safety recalls on the 2021 Toyota Sienna?
This model year has 12 official safety campaigns listed.