Who holds the record for the most expensive Cars to go under the hammer, rather than to be sold privately?

Sold for: USD Car: Production & VIN: Image: Auction house: Sale date: Notes:
USD 38.11 million Ferrari 250 GTO; 1962 3851GT; 39 produced Ferrari 250 GTO 1962 Bonhams; Carmel, California, US August 2014 Just 39 250 GTOs were manufactured between 1962 and 1964. This includes 33 cars with 1962-63 bodywork (Series I), three with 1964 (Series II) bodywork similar to the Ferrari 250 LM, and three "330 GTO" specials with a larger engine.
USD 35.71 million Ferrari 335S; 1957 0674; 8 produced Ferrari 335 S 1957 Artcurial; Paris, France February 2016 The 335 S was first driven by British racer Peter Collins and his French partner Maurice Trintignant in the 1957 Sebring 12 Hours, then by Wolfgang von Trips in the Mille Miglia that May, where it came second.
USD 29.6 million Mercedes-Benz W196; 1954 196 010 00006/54; 15 produced Mercedes-Benz W196R 1954 Bonhams; Goodwood, West Sussex, UK July, 2013 The auction house Bonhams - in its Goodwood Festival of Speed Sale on 12 July 2013 - sold Mercedes-Benz W196R chassis serial '00006/54' for a new World Record £19.7-million Sterling ($29.6 million, incl. auction premium). The total bill, including UK VAT on commission charged, came to £20,896,800.00 Sterling
USD 29.6 million Ferrari 290 MM 1956 0626; 4 produced Ferrari 290 MM 1956 RM Sotheby's December 10, 2015 The engine was a V12 at 60°, derived from the 4.5-litre unit which was then used in Ferrari's Formula One cars. Displacement was 3,490 cc (213 cu in), for a maximum power of some 320 HP at 7200 rpm, and a maximum speed of 280 kilometres per hour (170 mph).
USD 27.5 million Ferrari 275 GTB/4*S NART Spider 1967 10709; 12 produced Ferrari 275 GTB/4*S NART Spider 1967 RM Auctions August 17, 2013 For the 1966 season, Ferrari decided to build 12 lightweight 275 GTB/C cars, they were constructed between the end of the 275 two-cam production run and the start of the 275 four-cam production run; even though they very much resembled the road-going 275 GTB, not one body panel was the same and underneath very little of the road car remained.
USD 26.4 million Ferrari 275 GTB/C Speciale 1964 06701; 4 produced Ferrari 275 GTB/C Speciale 1964 RM Auctions August 16, 2014 For the 1965 racing season, 4 lightweight 275 GTB Competizione Speciales (1964), a prototype and three production models, were built and equipped with 250 LM engines. Completed in April 1965, chassis 06701, was the first of the three 275 GTB/C Speciales built.
USD 21.78 million Jaguar D-Type 1955 XKD 501; Total D-Type production is thought to have included 18 factory team cars, 53 customer cars, and 16 XKSS versions. Jaguar D-Type 1955 RM Sotheby's August 19, 2016 Jaguar D-Types won the Le Mans 24-hour race in 1955, 1956 and 1957. After Jaguar temporarily retired from racing as a factory team, the company offered the remaining unfinished D-Types as XKSS versions whose extra road-going equipment made them eligible for production sports car races in America.
USD 19.8 million Alfa Romeo 8C 2900B Lungo Spider 1939 412041; Thirty-two 2900Bs were built in regular production, ten in 1937, and twenty-two in 1938. Another 2900B was assembled from parts in 1941. Alfa Romeo 8C 2900B Lungo Spider 1939 RM Sotheby's August 20, 2016 The 8C designates 8 cylinders, and originally a straight 8-cylinder engine. The Vittorio Jano designed 8C was Alfa Romeo's primary racing engine from its introduction in 1931 to its retirement in 1939.
USD 18.5 million Ferrari 250 GT SWB California Spider 1961 2935GT; 37 produced Ferrari 250 GT SWB California Spider 1961 Artcurial February 6, 2015 A barn find 1961 SWB formerly owned by French actor Alain Delon while he was making the film "Les Felins" with Jane Fonda sold for US$15.9 million in February 2015.
USD 18.4 million Ferrari 375-Plus Spider Competizione 1954 0384; 5 produced Ferrari 375-Plus Spider Competizione 1954 Bonhams June 27, 2014 Ferrari 375 was named "375" for the per-cylinder displacement in the 4.5L V12 engine, and the "MM" stood for the Mille Miglia race. The engine was based on its Ferrari 375 F1 counterpart, but with smaller stroke and bigger bore.