| Spiers | G. | 36 James Street, Fremantle | Austin | 8906 | Metro Private Car | 1927-28 |
| Spiers | J. & W. | 19 Charles Street, West Perth | Brockway Truck | 10537 | Metro Hire or Trade | 1927-28 |
| Spiers | J. & W. | 19 Charles Street, West Perth | Chevrolet Wagon | 10554 | Metro Hire or Trade | 1927-28 |
| Spiers | W. | 19 Charles Street, West Perth | Hupmobile | 4668 | Metro Private Car | 1924-25 |
| Spiers | W. | 19 Charles Street, West Perth | Hupmobile | 4668 | Metro Private Car | 1925-26 |
| Spiers | W. B. | 19 Charles Street, West Perth | Rover | 4668 | Metro Private Car | 1926-27 |
| Spiers | W. B. | 19 Charles Street, West Perth | Rover | 4668 | Metro Private Car | 1927-28 |
| Spiller | H. | Erikin | Buick | BK ● 233 | Bruce Rock Road Board | 1927-28 |
| Spillman | D. J. | Baandee | Ford | KE ● 133 | Kellerberrin Road Board | 1925-26 |
| Spillman | D. J. | Baandee | Ford Truck | KE ● 204 | Kellerberrin Road Board | 1925-26 |
| Spillman | D. J. | Baandee | Ford | KE ● 133 | Kellerberrin Road Board | 1926-27 |
| Spillman | D. J. | Baandee | Ford Truck | KE ● 204 | Kellerberrin Road Board | 1926-27 |
| Spillman | D. J. | Baandee | Ford | KE ● 133 | Kellerberrin Road Board | 1927-28 |
| Spillman | D. J. | Baandee | Ford Truck | KE ● 204 | Kellerberrin Road Board | 1927-28 |
| Spillman | J. W. | Baandee | Ford Truck | KE ● 215 | Kellerberrin Road Board | 1927-28 |
| Spillsbury | P. J. | - | Dodge | BL ● 7 | Lower Blackwood Road Board | 1925-26 |
| Spilsbury | P. J. | - | Ford | BL ● 7 | Blackwood (Lower) Road Board | 1923-24 |
| Spilsbury | P. J. | - | Dodge | BL ● 7 | Lower Blackwood Road Board | 1924-25 |
| Spilsbury | P. J. | - | Dodge | BL ● 7 | Nannup Road Board | 1926-27 |
| Spilsbury | P. J. | Nannup | Austin | BL ● 7 | Nannup Road Board | 1927-28 |
| Spiney | C. | 11 Marmion Street, North Perth | Ford | 13435 | Metro Private Car | 1926-27 |
| Spiney | C. | Rose Avenue, South Perth | Ford | 13435 | Metro Private Car | 1927-28 |
| Splllmon | J. W. | Baandee | Dodge | KE ● 15 | Kellerberrin Road Board | 1927-28 |
| Spokane | M. | 284 Bulwer Street, Perth | Scat Wagon | 6209 | Metro Private Car | 1924-25 |
| Spokane | M. | 284 Bulwer Street, Perth | Scat Wagon | 6209 | Metro Private Car | 1925-26 |
| Spokane | M. | 284 Bulwer Street, Perth | Scat Wagon | 6209 | Metro Private Car | 1926-27 |
| Spokone | Max | 284 Bulwer Street, Perth | Scat Wagon | 6209 | Metro Private Car | 1927-28 |
| Spooner | A. | 8 Kershaw Street, Subiaco | Belsize 14 H.P. | P 360 | Perth Municipality | 1915 |
| Spoore | W. A. | Hannan Street, Kalgoorlie | Pontiac | KMC 315 | Kalgoorlie Municipal Council | 1927-28 |
| Sporring | L. A. | 50 Ragian Road | Reo | 3716 | Metro Hire or Trade | 1925-26 |
| Sprag | Arthur | 19 Clydesdale Street, Victoria Park | Essex | 8009 | Metro Private Car | 1927-28 |
| Spratt Bros | - | Wagin | Chevrolet | W ● 113 | Wagin Road Board | 1925-26 |
| Spratt Bros | - | Wagin | Chevolet | W ● 113 | Wagin Road Board | 1926-27 |
| Spratt Bros | - | Wagin | Chevrolet | W ● 113 | Wagin Road Board | 1927-28 |
| Spreadbrow | F. | Margaret River | Ford | AU ● 30 | Augusta Road Board | 1926-27 |
| Spreadbrow | F. | Margaret River | Ford | AU ● 30 | Augusta Road Board | 1927-28 |
| Spreadbury | E. | Newcarnie | Rugby | MD ● 177 | Merredin Road Board | 1925-26 |
| Spreadbury | E. | Newcarnie | Rugby | MD ● 177 | Merredin Road Board | 1926-27 |
| Spreadbury | E. | Newcarnie | Essex | MD ● 177 | Merredin Road Board | 1927-28 |
| Spreadbury | W. | Second Avenue, Claremont | Chevrolet | 5849 | Metro Private Car | 1927-28 |
| Sprigg | C. | Wagin | Overland | W ● 63 | Wagin Road Board | 1925-26 |
| Sprigg | C. | Wagin | Overland | W ● 63 | Wagin Road Board | 1926-27 |
| Sprigg | C. | Wagin | Overland | W ● 63 | Wagin Road Board | 1927-28 |
| Sprigg | G. | Wagin | Essex | W ● 101 | Wagin Road Board | 1927-28 |
| Sprigg | H. P. | Annean | Dodge 20 H.P. | NN 4 | Nannine Road Board | 1919 |
| Sprigg | H. P. | Annean | Indian 7 H.P. | NN 3 | Nannine Road Board | 1919 |
| Sprigg | H. P. | Annean | Dodge | - | Nannine Road Board | 1922-23 |
| Sprigg | H. P. | Annean | Indian 7 H.P. Motorcycle | - | Nannine Road Board | 1922-23 |
| Sprigg | H. P. | Annean Station | Dodge | NN ● 4 | Nanine Road Board | 1923-24 |
| Sprigg | H. P. | Annean Station | Dodge | NN ● 4 | Nannine Road Board | 1924-25 |
