| Wyatt | Gray | Central Garage, Hay Street | Studebaker | 10196 | Metro Hire or Trade | 1926-27 |
| Wyby & Co Ltd | A. L. | 63 Warwick House, Perth | Studebaker | 8342 | Metro Private Car | 1926-27 |
| Wykes | H. A. | Glen Iris | Overland | BB ● 2 | Bunbury Road Board | 1922-23 |
| Wylie | G. M. R. | Byford | Ford | A-K ● 105 | Armadale-Kelmscott Road Board | 1926-27 |
| Wylie | G. M. R. | Byford | Ford | A-K ● 105 | Armadale-Kelmscott Road Board | 1927-28 |
| Wylie | L. S. | Kellerberrin | Ford 20 H.P. | KE ● 21 | Kellerberrin Road Board | 1917-18 |
| Wylie | L. S. | Kellerberrin | Ford 20 H.P. | KE 21 | Kellerberrin Road Board | 1919 |
| Wylie | L. S. | Kellerberrin | Essex 23 H.P. | KE ● 21 | Kellerberrin Road Board | 1922-23 |
| Wynne | F. E. | Baandee | Ford Truck | KE ● 349 | Kellerberrin Road Board | 1927-28 |
| Wynne | H. E. | Baandee | Oakland | KE ● 157 | Kellerberrin Road Board | 1925-26 |
| Wynne | H. E. | Baandee | Oakland | KE ● 157 | Kellerberrin Road Board | 1926-27 |
| Wynne | H. E. | Baandee | Oakland | KE ● 157 | Kellerberrin Road Board | 1927-28 |
| Wynne | J. | Barker Street, Belmont | Hupmobile | 4411 | Metro Private Car | 1924-25 |
| Wynne | J. | Barker Street, Belmont | Hupmobile | 4411 | Metro Private Car | 1925-26 |
| Wynne | J. | Barker Street, Belmont | Hupmobile | 4411 | Metro Private Car | 1926-27 |
| Wynne | J. | Barker Street, Belmont | Hupmobile | 4411 | Metro Private Car | 1927-28 |
| Yates | Chas. S. S. | 441 Rokeby Road | - | S 48 | Subiaco Municipality | 1916 |
| Yates | E. | Pickering Brook | Ford | DR ● 79 | Darling Range Road Board | 1925-26 |
| Yates | E. | Pickering Brook | Ford | DR ● 79 | Darling Range Road Board | 1926-27 |
| Yates | G. | Mount Barker | Buick | PL ● 87 | Plantagenet Road Board | 1927-28 |
| Yates | W. H. | 147 Keightly Road, Subiaco | Chrysler | 1078 | Metro Private Car | 1927-28 |
| Yealering Co -op. | - | Yealering | Chevrolet | WK ● 153 | Wickepin Road Board | 1925-26 |
| Yealering Co-op. | - | Yealering | Chevrolet | WK ● 153 | Wickepin Road Board | 1926-27 |
| Yealering Co-op. | - | Yealering | Chevrolet | WK ● 153 | Wickepin Road Board | 1927-28 |
| Yealering Co-op. | - | Yealering | Chevrolet | WK ● 201 | Wickepin Road Board | 1927-28 |
| Yeates | C. S. H. | 441 Rokeby Road | - | S 48 | Subiaco Municipality | 1915 |
| Yelland | A. | Parker Street, Bassendean | Darracq | 8823 | Metro Private Car | 1926-27 |
| Yoogh | Ah. | 54 Market Street, Fremantle | Buick | 6862 | Metro Private Car | 1927-28 |
| York | G. H. | Yorkrakine | Overland | KE ● 91 | Kellerberrin Road Board | 1924-25 |
| York | G. H. | Yorkrakine | Overland | KE ● 91 | Kellerberrin Road Board | 1925-26 |
| York | G. H. | Yorkrakine | Overland | KE ● 91 | Kellerberrin Road Board | 1926-27 |
| York | G. H. | Yorkrakinc | Overland | KE ● 91 | Kellerberrin Road Board | 1927-28 |
| York | H. S. | Tammin | Ford | ME ● 43 | Meckering Road Board | 1922-23 |
| York | H. S. | Tammin | Ford | ME ● 43 | Meckering Road Board | 1923-24 |
| York | H. S. | Tammin | Ford | ME ● 43 | Meckering Road Board | 1924-25 |
| York | H. S. | Tammin | Chevrolet | ME ● 43 | Meckering Road Board | 1925-26 |
| York | H. S. | Tammin | Chevrolet | ME ● 43 | Meckering Road Board | 1926-27 |
| York | H. S. | Tammin | Overland Truck | ME ● 209 | Meckering Road Board | 1926-27 |
| York | H. S. | Tammin | Oakland | ME ● 270 | Meckering Road Board | 1927-28 |
| York | H. S. | Tammin | Overland Truck | ME ● 209 | Meckering Road Board | 1927-28 |
| Yorke | G. W. | 18 Howard Street, Perth | Oakland | 1217 | Metro Private Car | 1922-23 |
| Yorke | G. W. | 18 Howard Street, Perth | Oakland | 1217 | Metro Private Car | 1923-24 |
| Yorke | G. W. | Vale Street, Mount Lawley | Oldsmobile | 13668 | Metro Private Car | 1926-27 |
| Yorke | G. W. | Vale Street, Mount Lawley | Oldsmobile | 13668 | Metro Private Car | 1927-28 |
| Yorke W.A. Trustee Build | G. W. | St Geo Terrace | Oakland | 1217 | Metro Private Car | 1925-26 |
| Young | Chas. | Frank Kendenup | Triumph Motorcycle | PL ● 49 | Plantagenet Road Board | 1922-23 |
| Young | Chas. | Parkerville | Chevrolet Wagon | 16047 | Metro Private Car | 1927-28 |
| Young | Chas. F. | Mount Barker | Triumph Motorcycle | PL ● 49 | Plantagenet Road Board | 1922-23 |
| Young | J. H. | Parkerville | Brockway Wagon | 16045 | Metro Private Car | 1927-28 |
| Young | J. H. | Parkerville | Brockway Wagon | 16046 | Metro Private Car | 1927-28 |