2020 Toyota Sienna Safety Report

The 2020 Toyota Sienna presents a generally strong safety profile, evidenced by its excellent NHTSA crash test ratings, achieving an Overall 5-star rating, with 5 stars in Side impact and 4 stars in Frontal and Rollover tests. However, a review of 32 NHTSA complaints reveals several concerning patterns, particularly related to the powertrain and fuel system. The vehicle has been subject to two recalls, one for a potentially faulty fuel pump (NHTSA Campaign Number: 20V682000) which could lead to engine stalling and increased crash risk, and another for improperly manufactured steering shaft extensions in Braun-modified Siennas (NHTSA Campaign Number: 20V682000) that could cause a loss of steering. Despite the high safety ratings, the complaint data indicates real-world issues that buyers should be aware of. Common complaint patterns include significant issues with the POWER TRAIN (4 complaints), often manifesting as transmission failures, erratic shifting, hesitation, and loss of acceleration, with one complaint detailing a 'catastrophic failed automatic transmission' at 85,000 miles. The FUEL/PROPULSION SYSTEM also garnered 4 complaints, directly linking to the fuel pump recall, with owners reporting stalling and loss of power. Other notable issues include ELECTRICAL SYSTEM problems (3 complaints) leading to random blinker activation, radio volume changes, and CarPlay malfunctions, and STRUCTURE complaints (3 complaints) such as power sliding door failures and sunroof leaks. One fire incident was reported, though no crashes, injuries, or deaths were associated with the 32 complaints. The recall history is directly reflected in the complaint data, with multiple owners reporting issues consistent with the fuel pump recall, some even after the recall was performed. The steering recall, while specific to modified vehicles, highlights a potential critical safety defect. While the 2020 Sienna performs well in controlled crash tests, the recurring mechanical and electrical issues, particularly those affecting the powertrain and steering, suggest that long-term reliability and unexpected failures could pose safety risks in real-world driving conditions. The low number of total complaints (32) for a popular model year is positive, but the nature of the complaints, especially transmission and fuel pump failures, warrants attention.

Our recommendation: Despite excellent crash test ratings, potential buyers should be aware of recurring powertrain and fuel system issues, including a significant fuel pump recall and reports of transmission failures. Ensure all recall work has been performed and consider a thorough pre-purchase inspection focusing on the transmission and electrical systems.