| ARGSON (Hillingdon - Twickenham) | TRICICLO | REINO UNIDO | HILLINGDON - TWICKENHAM - MIDDLESEX | 1920 |
| ARGSON (Runnymede) | TRICICLO | REINO UNIDO | RUNNYMEDE - SURREY | 1926 |
| ARGUL | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | KÖLN - RHEINLAND | 1923 |
| ARGUS | CICLOMOTOR | ALEMANIA IMPERIAL | BAHRDORF - BERLIN - NIEDERSACHSEN - BERLIN | 1902-1946 |
| ARGYLE (Birkenhead) | MOTOCICLETA | REINO UNIDO | BIRKENHEAD - CHESHIRE | 1913 |
| ARGYLE (GB) | TRICAR | REINO UNIDO | - | 1971 |
| ARGYLE (Memphis) | ESCÚTER | USA | MEMPHIS (TE) - TENNESSEE | 1957 |
| ARI | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | THIERGARTEN bei PLAUEN - SACHSEN | 1923 |
| ARIA | MOTOCICLETA | ALEMANIA IMPERIAL | FRANKFURT AM MAIN - HESSEN | 1900 |
| ARIANE | MOTOCICLETA | ESPAÑA | CABRERA DE MAR - BARCELONA | 2004-2011 |
| ARIEL (Footscray) | MOTOCICLETA | AUSTRALIA | FOOTSCRAY - VICTORIA | 1910 |
| ARIEL (Gawler) | MOTOCICLETA | AUSTRALIA | GAWLER - SOUTH AUSTRALIA | 1906 |
| ARIEL ACE | MOTOCICLETA | REINO UNIDO | CREWKERNE - SOMERSET | 2014 |
| ARIETE | MOTOCICLETA | ITALIA | - | 1954 |
| ARION (Elton) | TRICICLO | REINO UNIDO | ELTON - CAMBRIDGESHIRE | 1903 |
| ARION (Melbourne) | MOTOCICLETA | AUSTRALIA | MELBOURNE - VICTORIA | 1912 |
| ARISCO | MOTOCICLETA | ESPAÑA | TERRASSA - BARCELONA | 1962-1977 |
| ARISTO (Leiden) | VELOMOTOR | PAISES BAJOS | LEIDEN - ZUID-HOLLAND | 1953 |
| ARISTOS - STERNA - MENOS | MOTOCICLETA | ALEMANIA (REP. WEIMAR) | BERLIN - BERLIN | 1922 |
| ARIZ | MOTOR AUXILIAR | ITALIA | MILANO - MILANO | 1952 |