| Warren | J. C. | Badgebup | Ford | KA ● 77 | Katanning Road Board | 1924-25 |
| Warren | J. C. | Katanning | Oakland | KA ● 77 | Katanning Road Board | 1927-28 |
| Warren | J. R. | Northam | Dodge | N ● 155 | Northam Road Board | 1925-26 |
| Warren | J. R. | Fitzgerald Street | Demonstration | N 205 | Northam Municipality | 1926-27 |
| Warren | Miss. | Kalgan | Ford | A ● 29 | Albany Road Board | 1926-27 |
| Warren | Mrs | Kalgan | Ford | A ● 29 | Albany Road Board | 1925-26 |
| Warren | Mrs C. | Ellesmore Road, Mount Lawley | Humber | 14861 | Metro Private Car | 1927-28 |
| Warren | Mrs Mabel | 34 Burt Street, Mount Lawley | Essex | 2803 | Metro Private Car | 1927-28 |
| Warren | R. W. A | Katanning | Gray | KA ● 43 | Katanning Road Board | 1924-25 |
| Warren | R. W. A. | Katanning | Maxwell 22 H.P. | KRB 43 | Katanning Road Board | 1915 |
| Warren | R. W. A. | Katanning | Maxwell 20 H.P. | KA 43 | Katanning Road Board | 1916 |
| Warren | R. W. A. | Katanning | Maxwell 20 H.P. | KA ● 43 | Katanning Road Board | 1917-18 |
| Warren | R. W. A. | Katanning | Maxwell 20 H.P. | KA 43 | Katanning Road Board | 1919 |
| Warren | R. W. A. | Katanning | Maxwell | KA ● 43 | Katanning Road Board | 1922-23 |
| Warren | R. W. A. | Katanning | Maxwell | KA ● 43 | Katanning Road Board | 1923-24 |
| Warren | R. W. A. | Katanning | Gray | KA ● 43 | Katanning Road Board | 1925-26 |
| Warren | R. W. A. | Katanning | Gray | KA ● 43 | Katanning Road Board | 1926-27 |
| Warren | R. W. A. | Katanning | Gray | KA ● 43 | Katanning Road Board | 1927-28 |
| Warren | S. | Bullsbrook | Triumph 3½ H.P. Motorcycle | SRB 3 | Swan Road Board | 1915 |
| Warren | S. | Bullsbrook | Indian 4 H.P. | SW 3 | Swan Road Board | 1916 |
| Warren | W. H. | Wilga | Overland | BU ● 108 | Upper Blackwood Road Board | 1927-28 |
| Warren - Langford | - | - | Ford Truck | M ● 116 | Moora Road Board | 1925-26 |
| Warren Co Ltd | - | Manjimup | Ford Truck | WA ● 39 | Manjimup Road Board | 1925-26 |
| Warren Co-op Co Ltd | - | Manjimup | Ford Truck | WA ● 39 | Manjimup Road Board | 1926-27 |
| Warren Co-op Co Ltd | - | Manjimup | Ford Truck | WA ● 39 | Manjimup Road Board | 1927-28 |
| Warren Co-op. Coy. Ltd | - | Manjimup | Ford Truck | WA ● 39 | Warren Road Board | 1924-25 |
| Warren-Smith | W. A. | 36 Broome Street, Cottesloe | Morris Oxford | 1315 | Metro Private Car | 1927-28 |
| Warren-Smith | Warren Austin | 36 Broome Street, Cottesloe | Morris-Cowley | 14 | Metro Private Car | 1926-27 |
| Warren-Smith | Warren Austin | 36 Broome Street, Cottesloe | Morris-Cowley | 14 | Metro Private Car | 1926-27 |
| Warrick | J. | Wandering | Ford | WD ● 19 | Wandering Road Board | 1924-25 |
| Warrick | J. | Wandering | Ford | WD ● 19 | Wandering Road Board | 1925-26 |
| Warrick | J. | Wandering | Ford | WD ● 19 | Wandering Road Board | 1926-27 |
| Warronga | G. M. | Lawlers | Ford | LA ● 9 | Lawlers Road Board | 1927-28 |
| Warrora Pastoral Co Ltd | | Warrora | Brockway Truck | GM ● 94 | Goscoyne-Mililya Road Board | 1926-27 |
| Warrora Pastoral Co Ltd | - | Warrora | Brockway Truck | GM ● 94 | Gascoyne-Minilya Road Board | 1925-26 |
| Warrora Pastoral Co Ltd | - | Warrora | Brookway Truck | GM ● 94 | Gascoyne Minilya Road Board | 1927-28 |
| Wars Bros | - | - | Chevrolet Truck | CU ● 140 | Upper Chapman Road Board | 1927-28 |
| Warwick | Hugh | Denmark | Chevrolet | DE ● 65 | Denmark Road Board | 1927-28 |
| Warwick | Jane | Mandurah | Ford 20 H.P. | MY ● 11 | Murray Road Board | 1917-18 |
| Warwick | Jane | Mandurah | Ford 20 H.P. | MY 11 | Murray Road Board | 1919 |
| Warwick | W. | Mandurah | Ford 20 H.P. | M 13 | Murray Road Board | 1915 |
| Warwick | W. | Mandurah | Ford 20 H.P. | MY 1 | Murray Road Board | 1916 |
| Warwick | W. | Mandurah | Ford 20 H.P. | MY 13 | Murray Road Board | 1916 |
| Warwick | W. | 992 Hay Street | Hupmobile 20 H.P. | P 601 | Perth Municipality | 1917-18 |
| Warwick | W. A. | C/o D. Dunn Garage, Saint George's Terrace | Hupmobile 18-20 H.P. | P 601 | Perth Municipality | 1916 |
| Warwick | W. A. | City Garage, Milligan Street | Hupmobile 15 H.P. | P 240 | Perth Municipality | 1919 |
| Warwick | W. A. | Milligan Street | Hupmobile 20 H.P. | P 601 | Perth Municipality | 1919 |
| Warwick | W. A. | 111 Alma Road, North Perth | Dodge | 2513 | Metro Private Car | 1922-23 |
| Warwick | W. A. | 111 Alma Road, North Perth | Maxwell | 4709 | Metro Private Car | 1923-24 |
| Warwick | W. A. | 111 Alma Road, North Perth | Dodge | 2513 | Metro Private Car | 1923-24 |
