Here's a car that truly needs no introduction. In the end, all it took were two determined bidders to drive the Batmobile's final price up over $4 million.
Another famous film car, an Aston Martin DB5 used in early James Bond films, sold for almost the same amount in 2010. In both cases, said McKeel Hagerty, president of Hagerty Insurance, the car's values were helped by the fact that both franchises -- Batman and Bond -- have been kept alive over the years by subsequent movies. No-one has ever forgotten Batman, even though it's been almost 50 years since the show was produced.
An association with actor McQueen can multiply the value of a machine.