| Gilmour | R. E. | Dealers Number Plate | - | MY ● 170 | Murray Road Board | 1926-27 |
| Gilmour | R. E. | Pinjarra | Ford | MY ● 267 | Murray Road Board | 1927-28 |
| Gilmour | R. E. | Pinjarra | Ford | MY ● 170 | Murray Road Board | 1927-28 |
| Gilmour | W. A. | 62 Victoria Avenue, Claremont | Morris Cowley | 14880 | Metro Private Car | 1927-28 |
| Gilroy | Rev T. | Albany | Dodge | A 26 | Albany Municipality | 1927-28 |
| Gilroy | Rev. Father T. | Albany | Dodge | A 26 | Albany Municipality | 1923-24 |
| Gilroy | Rev. T. | Albany | Nash | A 26 | Municipality of Albany | 1924-25 |
| Gilroy | Rev. T. | Albany | Dodge | A 26 | Municipality of Albany | 1925-26 |
| Gilroy | Rev. T. | Albany | Dodge | A 26 | Municipality of Albany | 1926-27 |
| Gilsham | S. | Gabinintha | Ford | MK ● 33 | Meekatharra Road Board | 1924-25 |
| Gilson | F. | Nalkain | Overland | WM ● 19 | Wyalkatchem Road Board | 1923-24 |
| Gilson | F. | Nalkain | Overland | WM ● 19 | Wyalkatchem Road Board | 1924-25 |
| Gilson | F. G. | Nalkain | Overland | WM ● 19 | Wyalkatchem Road Board | 1925-26 |
| Giltrow | C. | - | Ford | CU ● 128 | Upper Chapman Road Board | 1926-27 |
| Giltrow | C. | - | Ford | CU ● 128 | Upper Chapman Road Board | 1927-28 |
| Gilwhite | J. | 62 Railway Parade, West Perth | Willys-Knight | 8790 | Metro Private Car | 1925-26 |
| Gilwhite | J. | 62 Railway Parade, West Perth | Overland | 1045 | Metro Private Car | 1925-26 |
| Gilwhite | J. | 62 Railway Parade, West Perth | Willys-Knight | 8790 | Metro Private Car | 1926-27 |
| Gilwhite | J. | 62 Railway Parade, West Perth | Willys-Knight | 8790 | Metro Private Car | 1927-28 |
| Gindong | J. | 14 Dyer Street | B.S.A. 3½ H.P. Motorcycle | P 727 | Perth Municipality | 1919 |
| Ginsberg | M. | 237 Murray Street | Triumph 2¼ H.P. Motorcycle | P 844 | Perth Municipality | 1919 |
| Gippsland & Northern Co | - | Saint George's Terrace, Perth | Seneca | 13373 | Metro Private Car | 1926-27 |
| Gipsland & Northern Ins. | - | Wyalkatchem | Dodge | WM ● 363 | Wyalkatchem Road Board | 1927-28 |
| Gipson | W. G. | 107 Terrace Road, Guildford | Scripps-Booth | 2440 | Metro Private Car | 1924-25 |
| Gipson | W. G. | 107 Terrace, Road, Guildford | Scripps-Booth | 2440 | Metro Private Car | 1925-26 |
| Gipson | W. G. | 107 Terrace, Road, Guildford | Overland | 12013 | Metro Private Car | 1926-27 |
| Gipson | W. G. | Terrace Road, Guildford | Dodge | 11135 | Metro Private Car | 1926-27 |
| Gipson | W. G. | 107 Terrace, Road, Guildford | Citroen | 13142 | Metro Private Car | 1927-28 |
| Gipson | W. G. | 107 Terrace, Road, Guildford | Overland | 12013 | Metro Private Car | 1927-28 |
| Gipson | W. J. | 107 Terrace, Road, Guildford | Citroen | 13142 | Metro Private Car | 1926-27 |
| Giralia & Co | - | Onslow | Chevrolet Truck | AS ● 15 | Ashburton Road Board | 1927-28 |
| Giralia Pastoral Co | - | Giralia Station | Ford | AS ● 56 | Ashburton Road Board | 1926-27 |
| Giralia Pastoral Co | - | Towera Station | Ford | AS ● 56 | Ashburton Road Board | 1927-28 |
| Giralia Prateral Co | - | Giralia Station | Ford | AS ● 56 | Ashburton Road Board | 1925-26 |
| Giralys Pas. Co | - | Giralys | Dodge | GM ● 43 | Gascoyne-Minilya Road Board | 1923-24 |
| Girgando | J. | Albert Street, Osborne Park | Ford | 6327 | Metro Private Car | 1924-25 |
| Girgando | J. | Albert Street, Osborne Park | Ford | 6327 | Metro Private Car | 1925-26 |
| Girls Friendly Society | - | Perth | Chevrolet Van | 14201 | Metro Private Car | 1926-27 |
| Girls' Friendly Society | - | Perth | Chevrolet Van | 14201 | Metro Private Car | 1927-28 |
| Gisborne | W. A. | Bridgetown | Buick Car | B ● 174 | Bridgetown Road Board | 1926-27 |
| Gisborne | W. A. | Bridgetown | Essex | B ● 221 | Bridgetown Road Board | 1927-28 |
| Gitsham | G. E. | 7 Montreal Street, E. Fremantle | Ford Truck | 3992 | Metro Hire or Trade | 1924-25 |
| Gitsham | G. E. | 7 Montreal Street, Fremantle | Ford Truck | 3852 | Metro Hire or Trade | 1925-26 |
| Gitsham | G. E. | 89 Eric Street Cottesloe | Chevrolet Truck | 3852 | Metro Hire or Trade | 1926-27 |
| Gitsham | G. E. | 89 Eric Street, Cottesloe | Chevrolet Truck | 3852 | Metro Hire or Trade | 1927-28 |
| Gittens | A. | Kalamunda Road, Belmont | Chevrolet | 13466 | Metro Private Car | 1926-27 |
| Gittens | A. | Kalamunda Road, Belmont | Chevrolet | 13466 | Metro Private Car | 1927-28 |
| Gittins | A. E. | Tambellup | Oldsmobile | TA ● 49 | Tambellup Road Board | 1926-27 |
| Gittins | A. E. | Tambellup | Oldsmoblie | TA ● 49 | Tambellup Road Board | 1927-28 |
| Giulfi Bros | - | Wanneroo Road, Osborne Park | Ford | P ● 62 | Perth Road Board | 1924-25 |
