Only six units of these vintage beauties were ever built, which easily turns the Kellner Coupe into one of the rarest cars in the world. The vehicle was powered by a 12.7 liter aircraft engine and managed to fetch to earn a whopping price tag of $9.7 million at the 1987 Albert Hall auction conducted by Christie’s. The reason why this car is ranked number one is because it is estimated to be worth double the auction price in 1987, making it’s worth approximately $19 million.
Wed May 22 2013 17:26:57 GMT+0000 (Coordinated Universal Time)
The 1971 Hemi 'Cuda convertible is one of the most valuable muscle cars -- perhaps the most valuable -- ever produced. Only 11 were built that year and all-original examples can sell for well into seven figures. - to be auctioned at the annual Barrett-Jackson collector car auction in Scottsdale, Ariz next year.