They modeled all those Russian limousines and luxury sedans after American cars. So, in the case of the ZIL 114, the role model was the Lincoln Continental. The Russians copied the front and the silhouette of this cool sedan for their ZIL 114.
However, the ZIL didn’t use suicide doors and the rest of the features. They presented the car in 1967 and produced it until 1978. Many high ranking government officials used this car.