1960 Fiat 600 Multipla. Much development and testing resulted in a shape enclosing four people with a minimum of sheet metal, powered by a simple, reliable four-cylinder engine mounted at the rear. The resulting Fiat 600 was one of the great success stories of the twentieth century, with some 2.7 million cars produced. The mixed-use station wagon, called 600 Multipla, was introduced in 1956. The idea was to multiply the serviceability of the 600 for both family motoring and business use.