Martin Eberhard drives his Tesla Roadster every day.
Martin Eberhard said he drives his Tesla Roadster every day.
  • Tesla cofounder Martin Eberhard owns three Teslas, including a Roadster he drives every day.
  • Eberhard said he owns the second Tesla Roadster ever made.
  • The car has a vanity plate with the name "Mr. Tesla."

Tesla's cofounder and its first CEO, Martin Eberhard, who left the carmaker over a decade ago, owns three Teslas, including the second car the company ever made.

"I've been driving my Roadster continuously since I bought it," Eberhard told Insider in an interview.