Entertainment Movies Read Time : 1 Minutes New GHOSTBUSTERS Ecto-1 Revealed July 8, 2015 Hoob When the Ecto-1 first hit the streets in 1984, it was in the form of a 1959 Cadillac Miller-Meteor ambulance conversion. The new version, while not as sleek is still a Caddy. It is actually a 1984 Cadillac wagon.