Most Expensive Cars Sold In Auction - The World Expensive Car Posted by Addyson - 9:04 AM - Most Expensive Car Ever Auctioned Sells for $38M - Aug. 15 (Bloomberg) -- The most expensive car ever auctioned was sold Thursday night in Pebble Beach, California for a record-breaking $38.1 million. The very-rare Ferrari 250 GTO has sat at...