The New York Police received a call at 4:00 pm. "For an unconscious man" in a townhouse on East 19th Street, the office of Deputy Commissioner Public Information told CNN.
Ocasek, whose identity was confirmed by the police, was declared dead at the scene.
Cars became hugely popular in the late 1970s and early '80s with hits like "My Best Friend's Girl" and "Drive."
He was known for his black hair and black sunglasses, which were featured in many of the band's videos, including "You Might Think" (1984).  Ocasek and The Cars were inducted into the Rock & Roll Hall of Fame in 2018.
"(T) The Cars were the ultimate new-wave dream machine: a hooked super-quintet that blended 60s of pop and 70s glam and called avant-rock minimalism into a decade of dashboard radio nirvana it in the band's biography on the Hall of Fame website.
The band had 13 top 40 singles and four top 10 LPs, according to the biography.
Ocasek founded the group in 1976, according to the biography.
Ocasek was the main songwriter of the band and also played rhythm guitar.
The band broke up in 1988, but Ocasek made solo albums, it said in the biography.
"It's kind of weird because it's like a life," Ocasek told the magazine in retrospect in the history of cars. "It's been a lifetime, I've had three families at this time, they're like living millions of people and things and artists and writers and business people and fans … It's a lot of stuff, it was a pretty one . " eventful life, I can say. "