| UAZ 452 1965-current | UAZ |
| UAZ 469 1971-current | Offroad, other-vehicles, UAZ |
| Ultima GTR variants 1999-2016 | fh3-roster, kit-car, Ultima |
| Ultima RS 2019-current | coupes, hypercars, Ultima |
| Ultima Spyder 1992-2000 | kit-car, open-top-cars, supercars, Ultima |
| Umdash Celero R-6.3 | |
| UMM Alter II Phase II 1987-1992 | |
| Unipower GT 1966-1969 | coupes, sports-cars, Unipower |
| United Nude Lo Res Car 2016 | concepts-prototypes, electric-vehicles |
| Upcycle REV500 EV pickup | |
| Uran V6 | |
| Urbania 175cc 1969 | concepts-prototypes, microcars, Urbania |
| USSV US Specialty Vehicles Rhino GX 2018-2018 | crossovers-suvs, USSV |