She attempted to find another ride but there wasn't much interest in a driver who has never won a NASCAR race and stands a disappointing 27th in this season's points standings.
"I never say never", Patrick said.
Danica Patrick will drive in the Daytona and Indianapolis 500s next year before retiring, the world's most recognisable and successful female driver said on Friday. She started her press conference by saying it was her final season driving full-time and immediately broke into tears. Her best finish came in 2009, when she landed on the podium, finishing third.
Patrick will step away from full-time NASCAR competition following this weekend's season finale at the Homestead-Miami Speedway, although she plans to compete at next year's Daytona 500 and Indianapolis 500, with the Indy race being the last of her career.
Al Franken apologizes for sexual misconduct, calls for investigation
The Latest on an allegation of sexual harassment against Minnesota Sen. "I hope the Democratic leader will join me on this". Senator Al Franken meets with constituents at Minnesota Farmfest in Redwood County, Minnesota, US, August 6, 2014.
Danica Patrick might not be done racing in NASCAR - or even IndyCar, for that matter. During her Cup career, Patrick has earned seven top-10 finishes, including a career-best sixth-place finish in Atlanta in 2014. "I mean, it's twice the field of Indy cars". She's also the only woman to have ever led laps in both the Indianapolis 500 and the Daytona 500-19 of those laps were as a rookie in IndyCar. "I had never had sponsor issues". The team is replacing her with Aric Almirola after Sunday's race. "It would be really cool to see her face on the Borg-Warner Trophy, if she can pull that off".
"The difficulty is that it (NASCAR) is super competitive", said Patrick. I don't want to be remembered for the things that didn't go as well.
Patrick spent seven years in the IndyCar series between 2005 and 2011, racing for Rahal Letterman Racing, Andretti Green Racing, and Andretti Autosport.
"I am happy that she is doing it on her terms, but I am sad because I feel like there are wins under her belt that she can still get", Stewart told AP. "I don't care if your remember me as a girl".