Overall score: 5
Front front crash: 4
Overall side crash: 5
Rollover resistance: 5
Standard safety tech: Electronic stability control
Optional safety tech: Lane departure warning, Forward collision warning
Two versions of the 2011 Hyundai Sonata were tested. Only later-built Sonata's earned the five-star score. Earlier-built 2011 Sonata's did less well in front crash tests and earned an overall score of four stars.
Forward collision warning, optional on the Sonata, is a system that alerts the driver of he or she is approaching another vehicle too quickly and needs to brake.
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Last updated October 05 2010: 1:22 PM ET