Elon Musk paid $11 million to buy Tesla.com in February 2016 from its previous owner. He paid only $75,000 for the name Tesla Motors: Read more . . . X.com is unquestionably worth more than Tesla.com as a pure domain name if we disregard that Tesla, Inc. is a multi-billion dollar company. Which begs the question... What did he pay for X.com in 2017?