The Insurance Institute of Highway Safety (IIHS) has released its list of 13 safest cars for 2013. 117 cars were given the Top Safety Pick award. 13 cars were given the even higher Tops Safety Pick+ award.
Honda Accord 2 Door

Honda Accord 4 Door

Chrysler 200 4-Door

Dodge Avenger

Ford Fusion (built after Dec 2012)

Kia Optima

Nissan Altima 4-Door (built after Nov 2012)

Suzuki Kizashi

Subaru Legacy (built after Aug 2012)

Subaru Outback (built after Aug 2012)

Acura TL

Volvo S60

Volkswagen Passat (Built after Oct 2012)

Japanese manufacturers bagged most places out of the top 13 (7 in total) , with US following (3 in total) along with Germany, Sweden and Korea with 1 each.
Source: IIHS