AutoNation buys 7 percent of Vroom by Brian Blum in Automotive, Financials / Deals 04 Nov 2018 AutoNation is investing $50 million in Vroom. Shift received $54 million for its competing online car platform.This article is only available to AIM Group clients. Please subscribe now or log in to view. Share autonationMike JacksonShifttexas direct autovroom Brian Blum Brian Blum covers the U.S., Canada and Israel for Classified Intelligence Report, and contributes to our special reports and research projects. Originally from San Francisco and now based in Jerusalem, he has been with the AIM Group since 2004. He is the president of Blum Interactive Media, specializing in writing and multimedia content development for online, print, video and audio. His clients include newspapers, universities and non-profits. He is currently working on a book about the billion-dollar bankruptcy of a once high-flying Israeli startup.