| Ora Good Cat 2020-current | electric-vehicles, Great-Wall, hatchbacks |
| Ora iQ 2018-2020 | crossovers-suvs, electric-vehicles, Great-Wall |
| Ora Lightning Cat 2022-present | electric-vehicles, Great-Wall, sedans |
| Ora Mecha Dragon 2022-current | electric-vehicles, Great-Wall, sedans |
| Ora White Cat 2020-2022 | electric-vehicles, hatchbacks, Ora |
| OSCA 2500 GT 1998 (Dromos) | concepts-prototypes, coupes, OSCA, sports-cars |
| OSCA MT4 (Sportscar racing) 1948-1957 | OSCA, racing-vehicles, sportscar-racing, WSC-racing |
| Oshkosh NGDV 2023-current | electric-vehicles, Ford, mpvs-vans, Oshkosh |
| OSI-Ford 20M TS 1967-1968 | coupes, custom-builds, Ford, sports-cars |
| Oullim (Proto Motors) Spirra 2006-2017 | coupes, fmx360-roster, Oullim, sports-cars |
| Oullim (Spirra) Bengari 2013 | Oullim, sedans |
| Overfinch Heritage Range Rover Classic 2021-current | crossovers-suvs, custom-builds, Land-Rover, Overfinch, restomod |