By “Adjusted Prices” over the original prices.
In the “New” section, only the most expensive Bugatti Veyron was included; otherwise, almost the entire list would just be made up of the various editions of the Veyron. For more information on the many editions of the Bugatti Veyron, read here.
New Vehicles
2015 Lamborghini Veneno Roadster ~$4,500,000
2014 W Motors Lykan Hypersport ~$3,400,000
2010 Bugatti Veyron 16.4 Grand Sport Vitesse ~$2,600,000
2007 Koenigsegg CCXR $2,173,950
2011 Ferrari 599XX & 2014 Koenigsegg One: 1 ~$2,000,000 (TIE)
2009 Pagani Zonda Cinque Roadster $1,882,920
2011 Aston Martin One-77 ~$1,870,000
2011 Koenigsegg Agera R ~$1,700,000
2007 Lamborghini Reventón ~$1,610,000
2013 Koenigsegg Agera S ~$1,600,000
Auctioned Vehicles
1954 Mercedes-Benz W196 (Bonhams) $29,967,886
1967 Ferrari Ferrari 275 GTB/4*S NART Spider (RM Auctions) $27,841,786
1931 Bugatti Royale Kellner Coupe (Christie's) $20,343,468
1957 Ferrari 250 Testa Rossa (Gooding & Company) $17,182,830
1964 Ferrari 250 LM (RM Auctions) $14,477,729
1931 Bugatti Royale Berline de Voyage (Kruse) $13,984,669
1957 Ferrari 250 Testa Rossa (RM Auctions) $13,633,708
1953 Ferrari 340/375 MM Berlinetta 'Competizione' (RM Auctions) $12,972,045
1936 Mercedes-Benz 540K Special Roadster (Goodings & Company) $12,090,736
1961 Ferrari 250 GT SWB California Spider (RM Auctions) $11,933,873
Honorable MentionsMaybach Exelero ≈ $8,000,000
Auto-genius released Most Expensive Cars 1.0 on Sat Apr 12 2014.