The following marques have been newly added to AllCarIndex:
- Gio Ponti (Italy)
The following marques have been updated:
- Gideon (Denmark)
- Girling (United Kingdom)
- Globe [1] (United Kingdom)
- Gnat [2] (United Kingdom)
- Godfrey-Proctor (United Kingdom)
- Gordon [1] (United Kingdom)
- Gregori (United Kingdom)
- Gryff (Switzerland)
