cj7 was basically a civilian vehicle which was being used mostly by army personnel. It was introduced into the world way back in 1944, during the outbreak of the Second World War. The production of this jeep continued till 1987. In the year of 1987, the jeep wrangler came into existence as a replacement of jeep cj7. All the necessary modifications were done in the production of jeep wrangler which was the reason for its popularity.