The five most expensive cars: Bugatti Veyron 16.4, Ferrari Enzo, Pagani Zonda, Koenigsegg CCX and Porsche Carrera GT.

1. Bugatti Veyron, $1.7 million

The Bugatti Veyron 16.4 is the most powerful, most expensive and fastest street-legal production car in the world, with a proven top speed of over 400 km/h (407 km/h or 253 mph). It reached full production in September 2005. The car is built by Volkswagen AG subsidiary Bugatti Automobiles SAS and sold under Bugatti marquee. It is named after racing driver Pierre Veyron, who won the 24 hours of Le Mans in 1939 while racing for the original Bugatti firm. 

  [Bugatti's home page]

2. Ferrari Enzo, $1 million

The Ferrari Enzo is a 12-cylinder Ferrari supercar named after the company's founder, Enzo Ferrari. It was built in 2003 using Formula One technology, such as a carbon-fiber body, F1-style sequential shift transmission, and carbon-ceramic brake discs. Also used are technologies not allowed in F1 such as active aerodynamics. After a downforce of 775 kg (1709 lb) is reached at 300 km/h (186 mph) the rear wing is actuated by computer to maintain that down force.
Motor Trend Classic named the Enzo as number four in their list of the ten "Greatest Ferraris of all time". 

 [Ferrari's Home Page]

3. Pagani Zonda C12, $741,000

The Pagani Zonda is a mid-engined sports car produced by Pagani in Italy. It debuted in 1999 and continues through the present, with production proceeding at roughly 10 cars per year. As of April, 2008, 91 Zondas had been built. Both 2-seat coupe and convertible versions have been produced. Construction is mainly of carbon fiber.
Some early Zonda engineering was done by Formula One champion, Juan Manuel Fangio. The car was originally to be named for him, the "Fangio F1", but the name was changed upon his death in 1995, renamed after an air current above Argentina. 

 [Pagani's Home Page]

4. Koenigsegg CCX, $600,910

The Koenigsegg CCX is a supercar from Swedish car manufacturer Koenigsegg, to replace the Koenigsegg CCR. CCX is an abbreviation for Competition Coupe X, the X commemorates the 10th anniversary of the completion and test drive of the first CC vehicle in 1996. The CCX is intended to be suitable for the United States market and thus engineered to comply with US regulations. A base model CCX costs approximately US$ 540 000 (€ 395 000) but with all optional extras the car costs US$600 000 (€440 000).

 [ Koenigsegg's Home Page]

5. Porsche Carrera GT, $484,000

The Porsche Carrera GT is a supercar, manufactured by Porsche of Germany. The Carrera GT is powered by an all-new 5.7 litre V10 engine producing 612 SAE horsepower (450 kW). Porsche claims it will accelerate from 0 to 100 km/h (62.5 mph) in 3.9 seconds and has a maximum speed of 330 km/h (206 mph), although road tests indicated that in actuality the car could accelerate from 0-60 in under 3.5 seconds and to 0-100 in 6.8 seconds and has a top speed of 335-340km/h (209-212.5mph).

[Porsche's Home Page]

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