The Ferrari 250 GTO is considered the most expensive car in history after one changed hands for USD 35 million in 2012. Just 39 examples were built, including three particularly rare 4-liter versions, also known as the 330 GTO. This report looks back at the history of the rare Gran Turismo sports car and portrays a 330 GTO in detail, supplemented by archive photos and the chassis list of the 39 GTO vehicles.