| Pike | J. C. A. | Jarring | Ford Truck | LG ● 38 | Lake Grace Road Board | 1925-26 |
| Pike | J. C. A. | Jarring | Ford Truck | LG ● 38 | Lake Grace Road Board | 1926-27 |
| Pike | J. C. A. | Kukerin | Chevrolet Truck | DU ● 200 | Dumbleyung Road Board | 1927-28 |
| Pike | J. C. H. | Kukerin | Ford Truck | LG ● 38 | Lake Grace Road Board | 1927-28 |
| Pike | J. F. | Collie | Chevrolet | CO ● 67 | Collie Road Board | 1925-26 |
| Pike | J. F. | North Collie | Chevrolet | CO ● 67 | Collie Road Board | 1926-27 |
| Pike | J. F. | North Collie | Chevrolet | CO ● 67 | Collie Road Board | 1927-28 |
| Pike | J. J. | Youraling | Chevrolet | BO ● 89 | Brookton Road Board | 1926-27 |
| Pike | J. J. | Youraling | Chevrolet | BO ● 89 | Brookton Road Board | 1927-28 |
| Pike | Joseph | Koolanooka | Willys-Knight | PM ● 178 | Perenjori-Morawa Road Board | 1927-28 |
| Pike | P. V. | Katanning | Dodge | KA ● 330 | Katanning Road Board | 1927-28 |
| Pike | R. H. | East Street | Ford 20 H.P. | EF 92 | East Fremantle Municipality | 1917-18 |
| Pike | R. H. | East Street | Ford 20 H.P. | EF 92 | East Fremantle Municipality | 1919 |
| Pike | R. W. | 3 Duke Street | Zenith 3½ H.P. Motorcycle | S 24 | Subiaco Municipality | 1915 |
| Pike | R. W. | 2 Duke Street | - | S 24 | Subiaco Municipality | 1916 |
| Pike | R. W. | 48 East Street, Fremantle | Rugby | 12310 | Metro Private Car | 1927-28 |
| Pilkington | L. | Kalamunda | Studebaker | DR ● 52 | Darling Range Road Board | 1924-25 |
| Pilkington | T. | 83 Rokeby Road, Subiaco | Ford | 5208 | Metro Private Car | 1924-25 |
| Pilkington | W. J. L. | 193 Hensman Road. Subiaco | Studebaker | 3018 | Metropolitan Hire and Trade Cars | 1923-24 |
| Pilkington | Wm. J. L. | 193 Hamersley Road, Subiaco | Studebaker | 3018 | Metro Vehicle for Hire | 1922-23 |
| Pinder | A. | Laverton | Studebaker | MG ● 12 | Mount Margaret Road Board | 1925-26 |
| Pinder | A. | Laverton | Studebaker | MG ● 14 | Mount Margaret Road Board | 1926-27 |
| Pinder | A. | Laverton | Studebaker | MG ● 26 | Mount Margaret Road Board | 1927-28 |
| Pinker | J. H. | Narembeen | Hupmobile | NB ● 126 | Narembeen Road Board | 1924-25 |
| Pinker | Mrs E. M. | Narembeen | Hupmobile | NB ● 18 | Narembeen Road Board | 1925-26 |
| Pinker | Mrs E. M. | Narembeen | Hupmobile | NB ● 18 | Narembeen Road Board | 1926-27 |
| Pinker | Mrs E. M. | Narembeen | Hupmobile | NB ● 18 | Narembeen Road Board | 1927-28 |
| Pinker | W. | Dugan Street, Kalgoorlie | Ford | KMC 289 | Kalgoorlie Municipal Council | 1926-27 |
| Pinker | W. | Dugan Street, Kalgoorlie | Ford | KMC 289 | Kalgoorlie Municipal Council | 1927-28 |
| Pinkers | J. | 231 William Street, Perth | Ford Wagon | 7367 | Metro Private Car | 1925-26 |
| Pinkers | J. | 231 William Street, Perth | Ford Wagon | 7367 | Metro Private Car | 1926-27 |
| Piper | C. G. | Duke Street, Fremantle | Crossley | 7570 | Metro Private Car | 1925-26 |
| Pitcher | Dr S. W. | Bridge Street, Guildford | Studebaker | 1530 | Metro Private Car | 1924-25 |
| Pitcher | Dr S. W. | Bridge Street, Guildford | Studebaker | 1530 | Metro Private Car | 1925-26 |
| Pitcher | Dr S. W. | Bridge Street, Guildford | Studebaker | 1530 | Metro Private Car | 1926-27 |
| Pittard | Mary M. | 711 Newcastle Street, Leederville | Studebaker | 3521 | Metro Hire or Trade | 1927-28 |
| Pittard | W. M. | 711 Newcastle Street, Leederville | Studebaker | 3521 | Metro Hire or Trade | 1926-27 |
| Place | T. | 16 Keightley | Crossley 15 H.P. | P 975 | Perth Municipality | 1917-18 |
| Place | Tasman | 57 Barlee Street, Perth | Studebaker | 3124 | Metropolitan Hire and Trade Cars | 1923-24 |
| Plant | A. E. | Normans Lake | Ford | NA ● 39 | Narrogin Road Board | 1924-25 |
| Plant | A. E. | Nomans Lake | Ford | NO ● 39 | Narrogin Road Board | 1925-26 |
| Plant | A. E. | Normans Lake | Ford | NO ● 39 | Narrogin Road Board | 1926-27 |
| Plant | A. E. | Norman's Lake | Ford | NO ● 39 | Narrogin Road Board | 1927-28 |
| Plant | J. | Norman's Lake | Chevrolet Truck | NO ● 143 | Narrogin Road Board | 1927-28 |
| Plant & Keriny | - | Buntine | Ford | DL ● 35 | Dalwallinu Road Board | 1922-23 |
| Plant and Kenny | - | Buntine | Ford | DL ● 35 | Dalwallinu Road Board | 1923-24 |
| Plews | N. J. | 199 Loftus Street, Leederville | Studebaker | 3366 | Metro Hire or Trade | 1927-28 |
| Plunket | A. R. | Australind | Ford Truck | H ● 116 | Harvey Road Board | 1926-27 |
| Plunket | D. H. C. | 133 Townsend Road, Subiaco | Ford | 7660 | Metro Private Car | 1926-27 |
| Plunkett | A. | Australind | Ford Ton Truck | BB ● 25 | Bunbury Road Board | 1926-27 |
