| Darlot Bros. | - | Saint George's House, Perth | Talbot | 484 | Metro Private Car | 1923-24 |
| Darlot Bros. | - | Byro Station | Ford | MU ● 38 | Murchison Road Board | 1923-24 |
| Darlot Bros. Ltd | - | Byro | Hupmobile 18 H.P. | MU 11 | Murchison Road Board | 1916 |
| Darlot Bros. Ltd | - | Billabalong | Triumph 3½ H.P. Motorcycle | - | Murchison Road Board | 1916 |
| Darlot Bros. Ltd | - | Byro | Triumph 4 H.P. | - | Murchison Road Board | 1916 |
| Darlot Bros. Ltd | - | 147 Royal Street, East Perth | Overland 20 H.P. | P 484 | Perth Municipality | 1916 |
| Darlot Bros. Ltd | - | Byro | Hupmobile 25 H.P. | MU 11 | Murchison Road Board | 1919 |
| Darlot Bros. Ltd | - | Byro | B.S.A. | MU 8 | Murchison Road Board | 1919 |
| Darlot Bros. Ltd | - | Howard Street | Dodge 20 H.P. | P 484 | Perth Municipality | 1919 |
| Darlot Bros. Ltd | - | Byro | Ford 20 H.P. | MU ● 11 | Murchison Road Board | 1923-24 |
| Darlot BrosLtd | - | Byro Station | Ford | MU ● 11 | Murchison Road Board | 1925-26 |
| Darlot BrosLtd | - | Byro Station | Ford | MU ● 38 | Murchison Road Board | 1925-26 |
| Darnley | C. F. | Narrogin | Chevrolet | NGN 109 | Narrogin Municipality | 1925-26 |
| Darragh | A. G. | Quairading | Ford Truck | Q ● 104 | Quairading Road Board | 1927-28 |
| Darragh | P. | Quairading | Ford | Q ● 239 | Quairading Road Board | 1926-27 |
| Darragh | P. | Quairading | Ford | Q ● 239 | Quairading Road Board | 1927-28 |
| Darrell | E. | Army Home | Ford | CO ● 29 | Collie Road Board | 1924-25 |
| Darrell | E. | Army House, Collie | Ford | CO ● 29 | Collie Road Board | 1925-26 |
| Darroch | J. | Kulin | Maxwell | CR ● 9 | Corrigin Road Board | 1925-26 |
| Darroch | J. | Kulin | Ford | CR ● 9 | Corrigin Road Board | 1926-27 |
| Darroch | J. L. | Kunjin | Maxwell | CR ● 9 | Corrigin Road Board | 1927-28 |
| Darrock | J. L. | Kunjin | Ford | CR ● 9 | Corrigin Road Board | 1922-23 |
| Darrock | J. L. | Kunjin | Ford | CR ● 9 | Corrigin Road Board | 1923-24 |
| Darrock | J. L. | Kunjin | Ford | CR ● 9 | Corrigin Road Board | 1924-25 |
| Dart | J. | Cuballing | Ford | CN ● 48 | Cuballing Road Board | 1925-26 |
| Dart | J. | Cuballing | Ford | CN ● 48 | Cuballing Road Board | 1926-27 |
| Dart | J. | Cuballing | Ford | CN ● 48 | Cuballing Road Board | 1927-28 |
| Dart | M. | Dumbleyung | Dodge | DU ● 95 | Dumbleyung Road Board | 1925-26 |
| Dart | M. | Dumbleyung | Dodge | DU ● 95 | Dumbleyung Road Board | 1926-27 |
| Dart | M. | Dumbleyung | Dodge | DU ● 95 | Dumbleyung Road Board | 1927-28 |
| Dartnall | A. J. | 148 Palmerston Street, Perth | Chevrolet | 17 | Metro Private Car | 1922-23 |
| Dartnall | W. W. | 148 Palmerston Street | Darracq 12 H.P. | P 229 | Perth Municipality | 1916 |
| Dartnall | W. W. | 148 Palmerston Street | Danacy 12 H.P. | P 229 | Perth Municipality | 1917-18 |
| Dartnall | W. W. | 148 Palmerston Street | Darracq 10 H.P. | P 229 | Perth Municipality | 1919 |
| Dartneil | Augustus J. | Parker Road, South Perth | Renault | 17 | Metro Private Car | 1926-27 |
| Dartnell | A. J. | 145 Palmerston Street South Perth | Chevrolet | 17 | Metro Private Car | 1923-24 |
| Dartnell | A. J. | 148 Palmerston Street, South Perth | Renault | 17 | Metro Private Car | 1925-26 |
| Dartnell | Augustus J. | Parker Road, South Perth | Renault | 17 | Metro Private Car | 1926-27 |
| Dartnell | Augustus J. | Parker Road, South Perth | Renault | 17 | Metro Private Car | 1927-28 |
| Dartnell | W. W. | Palmerston Street | Darracq 12 H.P. | P 229 | Perth Municipality | 1915 |
| Darton | E. R. T. | 66 Railway Terrace, Mount Lawley | Hupmobile | 5798 | Metro Private Car | 1924-25 |
| Darton | E. R. T. | 66 Railway Terrace, Mount Lawley | Hupmobile | 5798 | Metro Private Car | 1925-26 |
| Darvill & Sons | J. | 9 Westminster Street, Victoria Park | Ford Wagon | 8676 | Metro Private Car | 1925-26 |
| Darwell | E. J. | Mount Barker | Ford | PL ● 50 | Plantagenet Road Board | 1924-25 |
| Darwell | E. J. | Post Office Applecross | Ford | 2967 | Metro Private Car | 1927-28 |
| Darwell | G. E. | Worsley | FORD | H ● 174 | Harvey Road Board | 1926-27 |
| Dasies | J. B. | Yarding | Dodge | BK ● 30 | Bruce Rock Road Board | 1925-26 |
| Date | H. M. | Cunderdin | Rugby | ME ● 337 | Meckering Road Board | 1927-28 |
| Date | M. H. | 171 Carr Street, Leederville | Douglas | 8557 | Metro Private Car | 1925-26 |
| Date | M. H. | 251 Carr Street, Leederville | Rugby | 8557 | Metro Private Car | 1926-27 |
