The Gigahorse is the custom vehicle driven by Immortan Joe. It is the flagship of the Immortan's armada, and a monument to his vast wealth and power. The vehicle is built from scratch with a powerful and sophisticated drivetrain and highly modified body. The car is built on a custom chassis, with a body made of two 1959 Cadillac Coupe de Villes sitting on top of each other.[1] The film's original designs called for a turret installed on top of a single Coupe de Ville but, as the…