What is the safest sedan in the US? Tesla Model S
If you are looking for the safest sedan in the US market, the answer is here, Tesla Model S. Model S received the highest safety ratings from National Highway Traffic Safety Administration (NHTSA). Yes, it is even safer than your grand father's Volvo!
Here is the press release at Tesla's web site http://www.teslamotors.com/about/press/releases/tesla-model-s-achieves-best-safety-rating-any-car-ever-tested