| Grubman | E. | 181 Carr Street, Leederville | Ford | 14543 | Metro Private Car | 1927-28 |
| Gruenert | F. | Northam | Chevrolet | N 94 | Northam Municipality | 1923-24 |
| Gruer | A. | North Dandalup | Ford | MY ● 53 | Murray Road Board | 1925-26 |
| Gruer | A. | North Dandalup | Ford | MY ● 53 | Murray Road Board | 1926-27 |
| Gruer | A. | Dwellingup | Ford | MY ● 53 | Murray Road Board | 1927-28 |
| Grundmann | W. H. E | 32 Smyth Road, West Subiaco | Chevrolet | 13965 | Metro Private Car | 1927-28 |
| Grundmann | W. H. E. | 32 Smyth Road, West Subiaco | Chevrolet | 13965 | Metro Private Car | 1926-27 |
| Grundy | Walter R. | - | Dodge | NGN 90 | Narrogin Municipality | 1926-27 |
| Grundy | Walter R. | Narrogin | Dodge | NGN 90 | Narrogin Municipality | 1927-28 |
| Grunzinsky | J. | Narrogin | Ford Truck | NGN 69 | Narrogin Municipality | 1924-25 |
| Gruzindry | J. | Narrogin | Dodge | NGN 69 | Narrogin Municipality | 1927-28 |
| Gruzinsky | J. | Narrogin | Ford Truck | NGN 69 | Narrogin Municipality | 1925-26 |
| Gruzinsky | J. | Narrogin | Ford Truck | NGN 69 | Narrogin Municipality | 1926-27 |
| Grylls | J. B. | Swanbourne Terrace, Cottesloe Beach | Ford | 13547 | Metro Private Car | 1926-27 |
| Grylls | J. B. | Mandiga | Ford Truck | MM ● 144 | Mount Marshall Road Board | 1927-28 |
| Gt Beacon G.M. Co | - | Narembeen | Ford Wagon | NB ● 173 | Narembeen Road Board | 1927-28 |
| Gt. Boulder Perseverance G.M. | - | Kalgoorlie | Ford 15 H.P. | K ● 2 | Kalgoorlie Road Board | 1917-18 |
| Gt. Boulder Perseverance Gold Mine | - | - | Ford 15 H.P. | K ● 2 | Kalgoorlie Road Board | 1919 |
| Gt. Boulder Preseverance Gold Mine | - | - | Ford 15 H.P. | K 2 | Kalgoorlie Road Board | 1916 |
| Gt.Buldania | G. Mines | Norseman | Ford | NM ● 6 | Norseman Road Board | 1924-25 |
| Guakroger | A. | Fremantle Road, South perth | Overland | 992 | Metro Private Car | 1924-25 |
| Guardian Ass. Co | - | Saint George's Terrace, Perth | Ford | 6360 | Metro Private Car | 1924-25 |
| Guardian Ass. Coy. | - | Saint George's Terrace, Perth | Ford | 617 | Metro Private Car | 1922-23 |
| Guardian Association Co | - | Saint George's Terrace, Perth | Ford | 6360 | Metro Private Car | 1925-26 |
| Guardian Assurance Co | - | Saint George's Terrace | Ford 20 H.P. | P 617 | Perth Municipality | 1917-18 |
| Guardian Assurance Co | - | Saint George's Terrace | Ford 20 H.P. | P 617 | Perth Municipality | 1919 |
| Guardian Assurance Co | - | Saint George's House, Perth | Ford | 617 | Metro Private Car | 1923-24 |
| Guardian Assurance Co | - | Saint George's Terrace, Perth | Ford | 617 | Metro Private Car | 1924-25 |
| Guardian Ins Co | - | Saint George's Terrace | Dodge | 11754 | Metro Private Car | 1927-28 |
| Guardian Ins. Co | - | Saint George's Terrace | Dodge | 11754 | Metro Private Car | 1926-27 |
| Guazelli | A. | Leonora | Metelono 20 H.P. | ML 38 | Leonora-Malcolm Road Board | 1919 |
| Guazzelli | A. | Leonora | Hupmobile | LM ● 71 | Leonora-Malcolm Road Board | 1927-28 |
| Gudgeon | E. M. | 1 Northwood Street, Leederville | Austin | 13635 | Metro Private Car | 1926-27 |
| Gudgeon | E. M. | 1 Northwood Street, Leederville | Austin | 13635 | Metro Private Car | 1927-28 |
| Gudgeon | J. L. | Claredon Street, Cottesloe | Austin | 4231 | Metro Private Car | 1927-28 |
| Gudgeon | Reuben | 12 Galway Street, Leederville | Chevrolet | 566 | Metro Private Car | 1927-28 |
| Guerling | A. | Lawlers | Ford | LA ● 22 | Lawlers Road Board | 1925-26 |
| Guerling | A. | Lawlers | Ford Truck | LA ● 23 | Lawlers Road Board | 1925-26 |
| Guest | J. | 4 North Avenue, Maylands | Ford | 8488 | Metro Private Car | 1925-26 |
| Guest | J. | 4 North Avenue, Maylands | Ford | 8488 | Metro Private Car | 1926-27 |
| Guest | Joseph | 4 Ninth Avenue, Maylands | Ford | 8488 | Metro Private Car | 1927-28 |
| Guest | W. | Mornington | Chevrolet | H ● 59 | Harvey Road Board | 1925-26 |
| Guest | W. | Mornington | Chevrolet | H ● 59 | Harvey Road Board | 1926-27 |
| Guest | W. | Mornington | Chevrolet | H ● 59 | Harvey Road Board | 1927-28 |
| Guest | Wm. | Mornington | Ford 19 H.P. | H ● 10 | Harvey Road Board | 1922-23 |
| Guest | Wm. | Mornington | Chevrolet | H ● 59 | Harvey Road Board | 1924-25 |
| Gugereia | D. | - | Ford | CB 6 | Cottesloe Beach Road Board | 1915 |
| Gugeri | A. D. | - | Motorcycle | CB ● 39 | Cottesloe Beach Road Board | 1917-18 |
| Gugeri | A. D. | - | B.S.A. | CB ● 39 | Cottesloe Beach Road Board | 1919 |
| Gugeri | A. D. | Palmerston Street, Cottesloe Beach | Gray | 12205 | Metro Private Car | 1926-27 |
