Safety depends heavily on model year and grade. The basic Sienta package includes important fundamentals such as ABS, Brake Assist, EBD, stability control, airbags, seat-belt systems, child-seat mounting provisions and an immobilizer. Toyota's official specifications document ABS, Brake Assist, EBD and stability control as part of the safety equipment.
The 2018 facelift is particularly significant because Toyota expanded Toyota Safety Sense availability and added pedestrian detection capability. On appropriately equipped cars, this can provide forward-collision warning, automatic braking and lane-departure warning.
But do not confuse Toyota Safety Sense C with the sophisticated ADAS package found in a modern 2025–2026 vehicle. The second-generation Sienta generally does not have adaptive cruise control, lane-centering, traffic-sign recognition, blind-spot monitoring or rear cross-traffic collision avoidance.
In real-world Bangladesh use, the fundamentals matter enormously. Good tyres, functioning ABS/VSC, healthy brakes, properly maintained suspension and a structurally sound body are more important than having a long equipment list. A repaired accident car with every electronic feature imaginable is still not preferable to a structurally healthy example. Check the airbags and warning lights carefully before purchasing.