2011 model ratings under NHTSA's 5-Star Safety Ratings system
The Department of Transportation began a more stringent ratings system that combines results of frontal crash, side crash and rollover resistance tests and introduces crash data from smaller "female" test dummies. Twenty-eight vehicles of the 33 cars rated in the initial release of data for 2011 received a four-star overall rating.
SOURCE: National Highway Traffic Safety Administration | The Washington Post - Oct. 6, 2010
Safer cars but fewer stars in crash ratings Article | Two sedans on opposite ends of the price spectrum - the BMW 5 Series and the Hyundai Sonata - were the only 2011 vehicles to get the highest safety rating as the federal government released the first results from more-rigorous crash testing.