A woman was killed in a deadly car crash in Brooklyn Saturday, police said.

Patricia Lancaster, 63, was traveling south in a grey 2003 Chevrolet sedan on East 56th St. in Flatlands at about 4:30 p.m. when her car was struck by another vehicle, a grey Nissan Maxima, going east on Avenue J.

She sustained severe injuries to her torso and was taken to Mount Sinai Brooklyn Hospital, where she was pronounced dead.

The 19-year-old driver remained at the scene following the fatal accident, cops said. It was not immediately clear why the two cars collided.

The investigation is ongoing.