The word comes from the French word for "automobile", "voiture". The theoretical full name is in French "voiture omnibus" ("vehicle for all"). They also include driving trailers ("Voiture pilote"). The local unit of the 40 & 8 is the Voiture (boxcar). The La Voiture Noire is a one-off special introduced at the 2019 Geneva Motor Show. On night services, a vending machine is located in the so-called "voiture service".