3. Koenigsegg Agera R

Top Speed: 260 mph
Price Tag: $1.611 million
Complex Says: Clearly, the Swedes know how to build a decent car. (And we're not talking about Volvos.) Thanks to an updated version of the Agera 5-liter V8, the new Agera R roars to life with 1,115 horsepower. It can even run on biofuel.