A man was gunned down execution-style in The Bronx this morning while sitting in a parked car, authorities said.

The 24-year-old victim was found sitting in the passenger seat of a Cadillac CTS on Boston Road near Waring Avenue at 1:40 a.m., police said.

He was shot in the head and neck and was pronounced dead at the scene, police said.

It was not immediately known if the victim, who is from upstate New York, has a criminal history, cops said.