Last updated: 2026-03-04

Toyota Sienna

0 Toyota Sienna Years to Avoid

Years that score significantly below the Toyota Sienna average of 73/100

All Toyota Sienna years score consistently around the model average of 73/100 — no years are statistical outliers. The best year is 2023 76/100 and the weakest is 2018 70/100.

Verdict

All Toyota Sienna years score consistently around the model average of 73/100 (70–76 range) — no years are statistical outliers. The best is 2023 76/100 and the weakest is 2018 70/100.

See best year ↓See all years ranked ↓

What Are Common Toyota Sienna Problems?

Top reported issues across all Toyota Sienna model years, based on NHTSA owner complaints.

SEATS

100 complaints

Most reported in 2018, 2021, 2024

UNKNOWN OR OTHER

56 complaints

Most reported in 2018, 2019, 2020

SERVICE BRAKES

28 complaints

Most reported in 2020, 2023, 2024

POWER TRAIN

28 complaints

Most reported in 2018, 2019, 2020

STRUCTURE

27 complaints

Most reported in 2018, 2019, 2020

ELECTRICAL SYSTEM

19 complaints

Most reported in 2018, 2019, 2020

Best Toyota Sienna Year to Buy Instead

73
GoodReliability score: 73 out of 100, rated Good

2020 Toyota Sienna

The 2020 Toyota Sienna has good reliability. There are 2 recalls and 32 owner complaints on file for the 2020 Toyota Sienna. Severity signals include 1 fire-related complaint. The most commonly reported problem areas are: Power Train (6), Electrical System (4), Unknown Or Other (4).

Score: 73/100 (Good)2 recalls32 complaints
View full 2020 reliability report →

All Toyota Sienna Years by Generation

All model years ranked by reliability score, grouped by generation.

Toyota Sienna Reliability Scores by Year

Excellent Good Mixed Risky

Our data covers 2018–2025 model years.

Frequently Asked Questions

What Toyota Sienna years should you avoid?
All Toyota Sienna years in our database score consistently around the model average of 73/100. No years are statistical outliers, though some are stronger than others.
What is the best year for the Toyota Sienna?
The best year for the Toyota Sienna is 2023, with a reliability score of 76/100 ("Good"). It has 1 recalls and 52 owner complaints.
How many recalls does the Toyota Sienna have?
Across all years in our database, the Toyota Sienna has a total of 28 recalls. Recall counts vary by year — check individual model year reports for details.
Is a used Toyota Sienna worth buying?
Yes, especially the 2023 model year, which scores 76/100. Stick to years at or above the model average of 73/100 for the best ownership experience.
What are common Toyota Sienna problems?
The most common Toyota Sienna problems are seats (100 complaints), unknown or other (56 complaints), service brakes (28 complaints). These issues are reported across multiple model years based on NHTSA owner complaint data.
Is the Toyota Sienna reliable long-term?
The Toyota Sienna has an average reliability score of 73/100 across all model years in our database, rated "good". Overall, it is a reliable vehicle, though some model years perform better than others.
Which Toyota Sienna generation is most reliable?
The most reliable Toyota Sienna generation is the Fourth generation (XL40; 2020) with an average score of 74/100. Compare generations in our all-years-by-generation section above.
How much does it cost to maintain a Toyota Sienna?
The estimated annual maintenance cost for the Toyota Sienna is $554 based on independent repair cost databases. This is below the category average, making it relatively affordable to maintain.
Is the 2023 Toyota Sienna a good used buy?
Yes, the 2023 Toyota Sienna is the highest-scoring model year with a reliability score of 76/100 ("Good"). It has 1 recalls and 52 owner complaints, making it a solid used buy.

How We Calculate Reliability Scores

Auto Reliability Index scores are calculated on a 0–100 scale using a weighted formula that combines multiple public data sources. Each factor is weighted based on its predictive value for real-world ownership experience.

Key Ranking Factors

1

Complaint Severity

NHTSA owner complaints weighted by component category (e.g., powertrain, safety systems, electronics, cosmetic) — safety-critical issues carry more weight than cosmetic ones. Adjusted for sales volume so high-volume models aren't unfairly penalized.

2

Repair Costs

Independent reliability ratings based on repair frequency, average repair costs, and severity of typical repairs for each model.

3

Recall Impact

Number of NHTSA recalls weighted by severity. “Stop driving” and fire-risk recalls are penalized more heavily than minor software or labeling recalls.

4

Issue Diversity

Measures how many major vehicle systems (engine, transmission, electrical, braking, etc.) have recorded complaints. A vehicle with issues spread across many systems may indicate systemic quality issues.

Scores are grouped into four tiers:

  • 80–100: Excellent — Top-tier reliability, minimal issues
  • 60–79: Good — Reliable with some minor concerns
  • 40–59: Mixed — Notable issues, research before buying
  • 0–39: Risky — Significant problems, proceed with caution

Data is sourced from NHTSA recall records, owner complaint filings, and independent repair databases. Scores are recalculated as new data becomes available. While the weighting model is proprietary, all underlying data sources are public and traceable.

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