constructeurs automobiles
| Nom | Type | Notoriété | Popularité |
|---|---|---|---|
| Industrieverband Fahrzeugbau | Profession | 21 | 0.9 |
| Industrija Motornih Vozil | Profession | 11 | 0.5 |
| Innocenti | Profession | 20 | 14.6 |
| International Harvester | Profession | 22 | 21.1 |
| International Trucks | Profession | 2 | 14.8 |
| Invicta | Profession | 11 | 1.2 |
| Iran Khodro | Profession | 27 | 20.8 |
| Irmscher | Profession | 12 | 2.4 |
| Irtex | Profession | 1 | 0.1 |
| Isdera | Profession | 19 | 2.4 |
| Iso Rivolta | Profession | 16 | 8.5 |
| Isotta Fraschini | Profession | 22 | 27.6 |
| Isuzu | Profession | 54 | 61.0 |
| Itala | Profession | 17 | 2.1 |
| Italdesign | Profession | 23 | 10.9 |
| Italjet | Profession | 11 | 2.8 |
| Itom | Profession | 6 | 2.3 |
| Iveco | Profession | 50 | 123.4 |
| Iveco Brazil | Profession | 1 | 1.3 |
| Iveco Bus | Profession | 28 | 32.9 |
| Iveco Magirus | Profession | 4 | 6.8 |
| J. et A. Niclausse | Profession | 2 | 0.0 |
| Jac | Profession | 24 | 17.9 |
| Jacques Saoutchik | Personne | 5 | 8.0 |
| Jaguar | Profession | 69 | 74.3 |
| Jannarelly | Profession | 2 | 2.9 |
| Janvier, Sabin et Cie | Profession | 2 | 0.0 |
| Jap | Organisation | 11 | 2.4 |
| Jawa | Profession | 27 | 21.6 |
| Jbw | Profession | 12 | 4.4 |
| Jean Rondeau | Personne | 11 | 0.0 |
| Jean-henri Labourdette | Personne | 2 | 6.4 |
| Jeantaud | Profession | 5 | 6.8 |
| Jeep | Profession | 67 | 212.3 |
| Jehle | Profession | 6 | 0.0 |
| Jensen Motors | Profession | 19 | 14.1 |
| Jetour | Profession | 15 | 4.3 |
| Jiangling Motors | Profession | 14 | 4.2 |
| Jiangsu Linhai Power Group | Profession | 3 | 2.3 |
| Jidé | Profession | 3 | 6.9 |
| Jinbei | Profession | 10 | 1.6 |
| Jlo | Profession | 9 | 0.4 |
| Jonckheere | Profession | 15 | 2.7 |
| Jonghi | Profession | 4 | 3.4 |
| Joseph Besset | Personne | 2 | 3.1 |
| Jossu, Jannel et Cie | Profession | 2 | 0.0 |
| Jules Tourey | Profession | 4 | 0.0 |
| Kaipan | Profession | 10 | 0.0 |
| Kaiser Motors | Profession | 16 | 7.6 |
| Kalex | Profession | 17 | 20.7 |