The 1961 Ferrari 250GT California. Less than 100 were made. In Ferris Bueller's Day Off, Cameron's father spent three years restoring this car. It is his love. It is his passion... It is actually a Modena GT Spyder, and it's currently being put up for auction in California: From Mecum Auctions: The three cars used in the film were not Ferraris at all, but rather three Modena GT Spyder Californias built by Modena Design and Development in El Cajon, California, were utilized.