He was found unresponsive at his East 19th Street residence in Manhattan on Sunday, according to NYPD reports from. The NYPD didn't immediately respond to a request for comment.
Ocasek released seven studio albums with The Cars between 1978 and 2011, beginning with their hit self-titled album featuring the singles "My Best Friend's Girl" and "Good Times Roll."
Ocasek also released several solo albums, including Beatitude (1982), Fireball Zone (1990), Troublizing (1997) and Nexterday (2005). He was inducted into the Rock & Roll Hall of Fame on April 14, 2018.
Last year, Ocasek and supermodel Paulina Porizkova, his wife of 28 years, announced that they were separating after 28 years of marriage. The pair met while shooting the video for 1984's "Drive" and had two children together.
Fans and friends took to Twitter to honor the late rock star Sunday. "He was so kind and his music was a gift to us all," guitarist Brian Ray wrote. "Thank you for the hooks and the music, Ric." Added music writer Jason Woodbury, "What a career, what a body of work."
Originally published Sept. 15, 6:41 p.m. PT.
Update, 8:29 p.m. PT: Adds more details about Ocasek.