Toyota Sienna reliability: common problems by model year

Across 5 model years, the Toyota Sienna has 582 owner-filed NHTSA complaints and 20 recalls on record. The most-reported areas are structure and power train. 2001 drew the most complaints (190), 2020 the fewest (36).

Source: NHTSA complaints and recalls filed for Toyota Sienna vehicles (US, public record). Typical used asking price $16,832–$28,494.

Which Sienna years have the most problems?

Complaint volume by model year. Raw NHTSA totals, not adjusted for sales volume or time on the road, so older and higher-selling years accumulate more. Every year links to its full breakdown.

Highest: 2001 (190 complaints). Lowest: 2020 (36).

Where owners report problems

What owners say

Overwhelmingly positive sentiment regarding long-term reliability, practicality, and fuel efficiency, particularly for the hybrid models (2021+). The Sienna is consistently praised as a durable, low-maintenance family vehicle capable of reaching very high mile

• Transmission problems (2017 models): Jerkiness, shifting issues, high-speed freeway problems, and expired customer service programs for repairs. Frequency: recurrent.
• Infotainment/system glitches (2025 models): Profile and key fob pairing failures, unresponsive screens. Frequency: isolated.
• Engine issues (specific older models): Timing chain/crankshaft codes (P001500, P001700) on a brand-new 2025 model; oil/coolant leaks and timing chain failure on a 2015 model. Frequency: isolated.
• Electrical gremlins (2020 model): Intermittent door lock/unlock failures, no-crank events, driver's window auto-up/down malfunction. Frequency: isolated.
• Interior/material critiques: Less refined interior compared to competitors like Pacifica; dated in-dash GPS with poor screen placement and glare (2013 model); small cup holders; Bluetooth audio crackling (2013-2015 models). Frequency: recurrent.

Owner insights cover all generations of the Sienna. Individual model years are broken down above.