| Pettit | H. | Newdegate | Ford | LG ● 65 | Lake Grace Road Board | 1927-28 |
| Pettit | Hedley | Cunderdin | Ford | ME ● 30 | Meckering Road Board | 1923-24 |
| Pettit | J. | 25 Carlton Street, Leederville | Chevrolet | 7776 | Metro Private Car | 1926-27 |
| Pettit | J. | 25 Carlton Street, Leederville | Chevrolet | 7776 | Metro Private Car | 1927-28 |
| Pettit | T. A. S. | 53 Harvey Street, Victoria Park | International Truck | 10791 | Metro Hire or Trade | 1927-28 |
| Pettit | V. B. | Cunderdin | Overland | ME ● 47 | Meckering Road Board | 1923-24 |
| Pettit | W. G. | Cunderdin | Overland | ME ● 47 | Meckering Road Board | 1924-25 |
| Pettit | W. G. | Cunderdin | Overland | ME ● 47 | Meckering Road Board | 1925-26 |
| Pettit | W. G. | Cunderdin | Chevrolet | ME ● 47 | Meckering Road Board | 1927-28 |
| Petty | A. E | Williams | Ford | WL ● 66 | Williams Road Board | 1926-27 |
| Petty | George | 455 Hay Street, East Perth | Overland | 8318 | Metro Private Car | 1927-28 |
| Peugeot Car Syndicate | - | 802 Hay Street | Dealers | 20161 | Metro Dealers Car | 1926-27 |
| Peugeot Car Syndicate | - | 802 Hay Street, Perth | Peugeot | 14042 | Metro Private Car | 1926-27 |
| Peugh | R. T. | Wyalkatchem | Overland | WM ● 58 | Wyalkatchem Road Board | 1922-23 |
| Pevah | A. | Broome | Sunbeam Wagon | BM ● 17 | Broome Road Board | 1924-25 |
| Pevah | A. | Broome | Ford Wagon | BM ● 23 | Broome Road Board | 1924-25 |
| Pevah | A. | Broome | Ford | BM ● 27 | Broome Road Board | 1924-25 |
| Pevah | Arthur | Broome | Sunbeam | M 11577 | Broome Road Board | 1923 - 1924 |
| Pevah | Arthur | Broome | Ford Wagon | M 11587 | Broome Road Board | 1923 - 1924 |
| Pfeiffer | F. A | Wagin | Ford Truck | W ● 110 | Wagin Road Board | 1926-27 |
| Pfeiffer | F. A. | Wagin | Ford Truck | W ● 110 | Wagin Road Board | 1925-26 |
| Pfeiffer | F. A. | Wagin | Ford Truck | W ● 110 | Wagin Road Board | 1927-28 |
| Pheazey | P. H. J. | Greenbushes | Ford Truck | GR ● 3 | Greenbushes Road Board | 1925-26 |
| Pheazey | P. H. J. | Greenbushes | Graham Truck | GR ● 33 | Greenbushes Road Board | 1926-27 |
| Phelex | Rev. | Wyening | Ford | VP ● 16 | Victoria Plains Road Board | 1927-28 |
| Phelex | Rev. Father | Wyening | Ford | VP ● 16 | Victoria Plains Road Board | 1926-27 |
| Philbey | F. G. | - | Chryster | NA ● 65 | Nungarin Road Board | 1924-25 |
| Philbey | F. G. | - | Chrysler | NA ● 65 | Nungarin Road Board | 1927-28 |
| Philbin | J. P | Malyalling | Ford Truck | WK ● 23 | Wickepin Road Board | 1926-27 |
| Philbin | J. P | Wickepin | Ford Truck | WK ● 45 | Wickepin Road Board | 1926-27 |
| Philbin | J. P. | 4 Forrest Street | Darracq 10 H.P. | S 3 | Subiaco Municipality | 1915 |
| Philbin | J. P. | 4 Forrest Street | Car | S 3 | Subiaco Municipality | 1916 |
| Philbin | J. P. | Wickepin | Ford | WK ● 23 | Wickepin Road Board | 1925-26 |
| Philbin | J. P. | Wickepin | Ford Truck | WK ● 45 | Wickepin Road Board | 1925-26 |
| Philbin | J. P. | Malyalling | Ford Truck | WK ● 23 | Wickepin Road Board | 1927-28 |
| Philbin | J. P. | Wickepin | Ford Truck | WK ● 45 | Wickepin Road Board | 1927-28 |
| Philbin | James P. | Wickepin | Ford | WK ● 45 | Wickepin Road Board | 1923-24 |
| Philbin | James P. | Malyalling | Ford | WK ● 23 | Wickepin Road Board | 1924-25 |
| Philbin | James P. | Wickepin | Ford | WK ● 45 | Wickepin Road Board | 1924-25 |
| Philippson | W. B. | Roebourne | Dodge | R ● 16 | Roebourne Road Board | 1923-24 |
| Philippson | W. E. | Whim Creek | Dodge | R ● 16 | Roebourne Road Board | 1926-27 |
| Philips | Chas. | 56 Mount Street, Perth | Dodge | 2789 | Metro Private Car | 1924-25 |
| Philips & Co | - | Wellington Bldgs. | Humber 11 H.P. | P 210 | Perth Municipality | 1916 |
| Phillioson | J. J. | Pier Street, East Fremantle | Ford Truck | 5079 | Metro Private Car | 1925-26 |
| Phillip | D. F. | Belmont Park | Chevrolet Wagon | 11087 | Metro Private Car | 1926-27 |
| Phillip | D. F. | Rivervale | Chevrolet Wagon | 7112 | Metro Private Car | 1927-28 |
| Phillip | D. F. | Belmont Park | Chevrolet Wagon | 11087 | Metro Private Car | 1927-28 |
| Phillip | H. G. | 92 Vincent Street, Mount Lawley | Chevrolet | 13902 | Metro Private Car | 1926-27 |
| Phillip | H. G. | 92 Vincent Street, Mount Lawley | Chevrolet | 13902 | Metro Private Car | 1927-28 |
| Phillip | H. T. | Balingup | Buick | BN ● 29 | Balingup Road Board | 1924-25 |
