| Griffiths Bros | - | 422 Hay Street, Subiaco | Ford | 4790 | Metro Private Car | 1925-26 |
| Griffiths Bros Ltd | - | 422 Hay Street, Subiaco | Ford | 4690 | Metro Private Car | 1924-25 |
| Griffiths Bros Ltd | - | 422 Hay Street, Subiaco | Ford | 8436 | Metro Private Car | 1925-26 |
| Griffiths Bros. | - | 274 Hay Street | - | S 57 | Subiaco Municipality | 1919 |
| Griffiths Bros. Ltd | - | 422 Hay Street, Subiaco | Ford | 4690 | Metro Private Car | 1923-24 |
| Griffth | John | Gnowangerup | Maxwell | GN ● 40 | Gnowangerup Road Board | 1923-24 |
| Griffths | W. E. | 999 Victoria Avenue, Claremont | Chevrolet | 12499 | Metro Private Car | 1927-28 |
| Grifiths | J. D. | Merredin | Citroen | MD ● 229 | Merredin Road Board | 1927-28 |
| Grifliths | R. M. | cr. Cargill & Chester streets, Victoria Park | Buick | 6493 | Metro Private Car | 1924-25 |
| Grigg | E. D. | 51 Saint George's Terrace, Perth | Dodge | 2510 | Metro Private Car | 1922-23 |
| Grigg | E. D. | 51 Saint George's Terrace, Perth | Dodge | 2510 | Metro Private Car | 1923-24 |
| Grigg | E. W. | C/o Hassen & Co., Saint George's Terrace | Triumph 2¾ H.P. Motorcycle | P 569 | Perth Municipality | 1915 |
| Grigg | E. W. | Woodville Street, Perth | Triumph 3½ H.P. Motorcycle | P 569 | Perth Municipality | 1916 |
| Grigg | E. W. | Highway Nedlands | - | CL ● 107 | Claremont Road Board | 1919 |
| Grigg | E. W. | 57 Saint George's Terrace, Perth | Dodge | 2510 | Metro Private Car | 1924-25 |
| Grigg | E. W. | 57 Saint George's Terrace, Perth | Willys-Knight | 8250 | Metro Private Car | 1925-26 |
| Grigg | E. W. | 57 Saint George's Terrace, Perth | Willys-Knight | 8250 | Metro Private Car | 1926-27 |
| Grigg | E. W. | Padbury's Bldgs Forrest Place, Perth | Willys-Knight | 8250 | Metro Private Car | 1927-28 |
| Grigg | G. | 441 Murray Street | Ford 20 H.P. | P 453 | Perth Municipality | 1916 |
| Grigg | G. E. | 441 Murray Street | Ford 20 H.P. | P 953 | Perth Municipality | 1919 |
| Grigg | G. E. | Rockingham | Dodge | RO ● I | Rockingham Road Board | 1927-28 |
| Grigg | Geo. | Wellington Street, North Perth | Overland | 35 | Metro Private Car | 1923-24 |
| Grigg | H. | 38 Teddington Road, Victoria Park | Chevrolet | 1359 | Metro Private Car | 1925-26 |
| Grigg | H. | Morrell Street | Chevrolet | N 130 | Northam Municipality | 1926-27 |
| Grigg | Henry | 162 Tower Street, Leederville | Chevrolet | 1359 | Metro Private Car | 1924-25 |
| Grigg | Henry | Morrell Street | Chevrolet | N 130 | Northam Municipality | 1927-28 |
| Grigg | R. G. | Rockingham | Whippet | RO ● 12 | Rockingham Road Board | 1927-28 |
| Grigg Bros | - | Esperance | Ford | EO ● 11 | Esperance Road Board | 1927-28 |
| Griggs | E | - | Studebaker 20 H.P. | K 2 | Kalgoorlie Road Board | 1916 |
| Griggs | E. | - | Studebaker 20 H.P. Hire Car | K ● 2 | Kalgoorlie Road Board | 1917-18 |
| Grigo | Alexander | 25 Catherine Street, Subiaco | Hupmobile 16 H.P. | P 392 | Perth Municipality | 1916 |
| Grigo | May A. | 217 Stirling Street, Perth | Ford | 1293 | Metro Private Car | 1923-24 |
| Grigo | May. A. | 217 Stirling Street, Perth | Ford | 1293 | Metro Private Car | 1922-23 |
| Grigo | W. E. | 25 Catherine Street | - | S 27 | Subiaco Municipality | 1916 |
| Grigo | W. E. & Co. | 30 King Street | Car 18 H.P. | P 300 | Perth Municipality | 1919 |
| Grigo & Co | W. E. | 30 King Street | Premier 3½ H.P. Motorcycle | P 845 | Perth Municipality | 1919 |
| Grigs | W. E. | 32 Trafalgar Road | Premier 3½ H.P. Motorcycle | P 845 | Perth Municipality | 1917-18 |
| Grilli | G. | 171 Royal Street, East Perth | Chevrolet Truck | 10757 | Metro Hire or Trade | 1927-28 |
| Grilli | L. | 132 James Street, Perth | Ford Wagon | 10762 | Metro Hire or Trade | 1927-28 |
| Grimbey | H. | Meekatharra | Buick | MK ● 51 | Meekatharra Road Board | 1923-24 |
| Grimbley | A. S. | Thomas Street, Subiaco | Bugatti | 6223 | Metro Private Car | 1927-28 |
| Grimbly | A. S. | 106 Roe Street | Buick 4-18 H.P. | P 1199 | Perth Municipality | 1919 |
| Grimbly | A. S. | Meekatharra | Dodge | MK ● 25 | Meekatharra Road Board | 1926-27 |
| Grimbly | K. | Meekatharra | Dodge Wagon | MK ● 59 | Meekatharra Road Board | 1925-26 |
| Grimbly | K. | Meekatharra | Dodge Wagon | MK ● 59 | Meekatharra Road Board | 1926-27 |
| Grimley | G. | Hay Street | - | S 84 | Subiaco Municipality | 1916 |
| Grimshaw | W. | Balfour Street | Ford Truck | K ● 185 | Kalgoorlie Road Board | 1927-28 |
| Grimwood | A. H. | c/o Commercial Bank | 2 Motorcycles | CMC 13 | Collie Municipality | 1915 |
| Grimwood | A. H. | - | 2 motor cycle | CM 13 | Collie Municipality | 1916 |
| Grocock | F. J. | Gnowangerup | Oldsmobile | GN ● 139 | Gnowangerup Road Board | 1927-28 |
