04. Ferrari 290 MM : US$28,050,000
The Ferrari 290 MM was a Ferrari race car produced in 1956. It was developed to compete in the 1956 edition of Mille Miglia, whence the acronym “MM”, and produced in four units.
Engine was a V12 at 60°, derived from the 4.5 liter which was then used in the scuderia’s Formula One cars. Displacement was 3490 cm³, for a maximum power of some 320 HP at 7200 rpm, and a maximum speed of 280 kilometres per hour (170 mph).
The car won the 1956 Mille Miglia, raced by Eugenio Castellotti, while another 290 MM, led by Juan Manuel Fangio, arrived fourth. Phil Hill and Maurice Trintignant also won the Swedish Grand Prix of that year, granting Ferrari the overall victory in the World Sportscar Championship. The following year a 290 MM won the 1000 km Buenos Aires.
03. Mercedes-Benz W196 : US$29,600,000
The Mercedes-Benz W196 was a Formula One racing car produced by Mercedes-Benz for the 1954 and 1955 F1 seasons. Successor to the W194, in the hands of Juan Manuel Fangio and Stirling Moss it won 9 of 12 races entered and captured the only two world championships in which it competed.
Firsts included the use of desmodromic valves and Daimler-Benz developed mechanical direct fuel injection adapted from the DB 601 high-performance V12 used on the Messerschmitt Bf 109E fighter during World War II.