| Gregory | Selby | 17 Beaufort Street, Maylands | Humber | 561 | Metro Private Car | 1924-25 |
| Gregory | Shelby | 17 Beauford Street, Maylands | Humber | 561 | Metro Private Car | 1925-26 |
| Gregory | T. J. | 70 Ellen Street, Fremantle | Triumph | 831 | Metro Motorcycle | 1922-23 |
| Gregson | E. H. | Westfield via Amadale | Dodge | 1892 | Metro Private Car | 1925-26 |
| Gregson | E. H. | Armadale | Dodge | 12643 | Metro Private Car | 1927-28 |
| Gregson | J. | 183 McDonald Street | White 30 H.P. | KMC 38 | Kalgoorlie Municipality | 1916 |
| Gregson | J. | Harvey | Chevrolet | H ● 227 | Harvey Road Board | 1927-28 |
| Gregson | James | 129 Crawford Road, Maylands | Ford | 304 | Metro Private Car | 1927-28 |
| Gregson | Jno. | 264 Hampton Road, Fremantle | Ford charabanc | 3273 | Metropolitan Hire and Trade Cars | 1923-24 |
| Gregson | Mrs G | Goomalling | Standard | GO ● 227 | Goomalling Road Board | 1927-28 |
| Gregson | Wm. | Bunbury | Essex | By 11 | Bunbury Municipality | 1922-23 |
| Greif | Philip | 22 Alma Road, North Perth | Dodge | 4684 | Metro Private Car | 1923-24 |
| Greig | E. | 84 Richardson Street, Boulder | Ford | B 7 | Boulder Municipality | 1927-28 |
| Greig | F. W. | James Street, Bassendean | Chevrolet T | 11708 | Metro Private Car | 1926-27 |
| Greig | G. | Rockingham Hotel, Rockingham | Overland | RO ● 1 | Rockingham Road Board | 1925-26 |
| Greig | G. E. | Rockingham Hotel | Dodge | RO ● 1 | Rockingham Road Board | 1926-27 |
| Greig | G. E. | Rockingham Hotel | Overland | RO ● 12 | Rockingham Road Board | 1926-27 |
| Greig | J. A. | - | Bradbury 3½ H.P. Motorcycle | Wms 6 | Williams Road Board | 1915 |
| Greig | J. A. | Williams | Bradbury 3½ H.P. Motorcycle | WL 6 | Williams Road Board | 1916 |
| Greig | J. H. | Nullagine | B.S.A. Motorcycle & Sidecar | NU ● 1 | Nullagine Road Board | 1922-23 |
| Greig | Mrs K.H. | Aldersyde | Dodge | BO ● 72 | Brookton Road Board | 1925-26 |
| Greig | Mrs Katie | Aldersyde | Dodge | BO ● 73 | Brookton Road Board | 1926-27 |
| Greig | P. | 816 Hay Street, Perth | Dodge | 7354 | Metro Private Car | 1926-27 |
| Greive | C. R. | 52 Ord Street, Fremantle | Dodge | 9216 | Metro Private Car | 1925-26 |
| Greive | C. R. | 52 Ord Street, Fremantle | Dodge | 9216 | Metro Private Car | 1926-27 |
| Greller | Fred | 22 Manchester Street, Victoria Park | Chevrolet | 4628 | Metro Private Car | 1927-28 |
| Grellier | F. | 22 Manchester Street, Victoria Park | Ford | 8043 | Metro Private Car | 1926-27 |
| Grendal Bros | - | Raymond Street, Collie | Chevrolet | CM 175 | Collie Municipality | 1926-27 |
| Grewden | W. A. | Nangeenan | Dodge | MD ● 88 | Merredin Road Board | 1925-26 |
| Grewden Bros | - | Nangeenan | Dodge | MD ● 73 | Merredin Road Board | 1925-26 |
| Grey | A. A. | 855 Albany Road, Victoria Park | Ford Wagon | 10162 | Metro Hire or Trade | 1926-27 |
| Grey | G. | Mundijong | Chevrolet | SJ ● 104 | Serpentine-Jarrahdale Road Board | 1927-28 |
| Grey | Mrs | Gabbin | Chevrolet | MM ● 66 | Mount Marshall Road Board | 1925-26 |
| Grey | Mrs | Gabbin | Chevrolet | MM ● 66 | Mount Marshall Road Board | 1926-27 |
| Grey | Mrs M. | Archdeacon Street, Nedlands | Morris Cowley | 11921 | Metro Private Car | 1927-28 |
| Grey | P. | 114 Alma Road, North Perth | Dodge | 4684 | Metro Private Car | 1924-25 |
| Grey | P. | 114 Alma Road, North Perth | Dodge | 4684 | Metro Private Car | 1925-26 |
| Grey | R. | 74 Gray Street, Perth | Hupmobile | MB ● 9 | Marble Bar Road Board | 1923-24 |
| Grey | R. W. | 3 Park Grove, West Perth | Hupmobile 20 H.P. | P 498 | Perth Municipality | 1919 |
| Grey | R. W. | 74 Wright Street, Perth | Dodge | 3149 | Metropolitan Hire and Trade Cars | 1923-24 |
| Grey | R. W. | 74 Wright Street, Perth | Hupmobile | 3137 | Metro Private Car | 1924-25 |
| Grey | R. W. | 74 Wright Street, Perth | Studebaker | 3149 | Metro Private Car | 1924-25 |
| Grey | R. W. | 74 Wright Street, Perth | Studebaker | 3149 | Metro Hire or Trade | 1925-26 |
| Grey | R. W. | 74 Wright Street, Perth | Studebaker | 3149 | Metro Hire or Trade | 1926-27 |
| Grey | Robert W. | 74 Wright Street, Perth | Hupmobile | 3137 | Metropolitan Hire and Trade Cars | 1923-24 |
| Greyton | F. | Manjimup | Chevrolet | WA ● 113 | Manjimup Road Board | 1927-28 |
| Gribble | A. P. | Merredin | Ford | MD ● 276 | Merredin Road Board | 1927-28 |
| Gribble | J. | - | Hupmobile | CA ● 3 | Cue-Day Dawn Road Board | 1926-27 |
| Gribble | J. J. | Cue | Ford 19 H.P. for Trade or Hire | CD ● 1 | Cue-Day Dawn Road Board | 1922-23 |
| Gribble | J. J. | Cue | Chevrolet 19 H.P. for Trade or Hire | CD ● 3 | Cue-Day Dawn Road Board | 1922-23 |
