New Car: 2013 Mercedes SL65 AMG

In an age of engine downsizing and emissions-reduction mandates, one might expect the V-12 engine—volumes of which never were very high in the first place—to hit the endangered-species list. But Mercedes-Benz and AMG are keeping the breed alive at least for the near future, sliding the brands’ mighty twin-turbocharged twelve-pot into the latest SL roadster to create the latest SL65 AMG. With