The Big One

http://www.ubergizmo.com/articles/most-expensive-cars-world/

    At a whopping $10 983 880 ( $8 million US),

the Maybach Exelero is the most expensive car in the world. The Exelero is a custom made car built for Fulda Tires in order advertise their new wide tires. A luxurious car, speed isn't the Exelero's main focus (700 horsepower, and a top speed of 351km/h) Only one Maybach Exelero was made, and it is currently owned by the rapper Birdman.

http://www.carlogos.org/Car-Logos/Maybach-logo-history-logo-images.html