According to the study, Renault came in second place, followed by Honda. General Motors and PSA plants came last.
Mercedes-Benz and VW did not take part in the study, which measured productivity by looking at personnel expenditure per auto.
In the analysis of the individual plants, Renault's Valladolid plant was the most productive. The facility manufactures cars of the B-segment (Clio, Modus).
The Ford plant in Cologne (Fiesta) came in second.