10 of the Rarest (and Most Expensive) Cars in the World–With Price Tags in the Millions Rare collectable cars are among car collectors’ most prized possessions. In fact, some manufacturers only produce a handful of some models, and the price tags are often out of this world, ranging in the tens of millions of dollars. Obviously, some of these extreme machines are so expensive that owners dare not even drive them and they remain parked, on display, a rich man’s trophy. But it’s sure fun to dream. Here are 10 of the rarest, most expensive cars on earth. 10. W Motors Lykan HyperSport