U
- Unic - (Vehicle make)
- Unimog - Unimog vehicles.
- Unimog - (Vehicle make)
- Uno - (Vehicle model)
- Uno 55S - (Vehicle model)
- Urraco - (Vehicle model)
- USN Los Angeles Blimp Dirigible Airship - (Vehicle make)
- Utilecon - (Vehicle model)
- utility vehicle - (Vehicle type)