AVOIR

2004 Toyota Sienna

Ownership intelligence · Minivan - 2WD · Regular Gasoline
60
Average
High Risk
AVOIR Score out of 100
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Category Scores

Reliability 44
Longevity 67
Maintenance 76
Depreciation 70
Performance 56
Efficiency 38

Reliability & Ownership FAQ

Is the 2004 Toyota Sienna reliable?

AVOIR rates the 2004 Toyota Sienna's reliability 44/100 — below average — from NHTSA recall counts, complaint density, and multi-year defect trends. Its overall AVOIR ownership score is 60/100 (Average).

How long will a 2004 Toyota Sienna last?

AVOIR scores the 2004 Toyota Sienna's longevity 67/100 (good), estimated from high-mileage survival data and resale-panel evidence of how far these vehicles actually run.

What does it cost to own a 2004 Toyota Sienna?

AVOIR scores the 2004 Toyota Sienna on maintenance 76/100 and depreciation 70/100 — higher is better (lower real cost) — plus fuel, insurance and resale in the full breakdown above.

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AVOIR scores every vehicle across 7 ownership factors using EPA fuel-economy data, NHTSA safety & complaints, IIHS ratings, and a proprietary used-market resale panel.