Kalendar Perlumbaan Litar Lumba Motor Winton 2018
| Tarikh | Siri Perlumbaan | Bulatan | Nama Acara |
|---|---|---|---|
| 18 Mei - 20 Mei | V8SC - Kejuaraan Supercars Selesai | Round 6 | Winton SuperSprint |
| 16 Jun - 17 Jun | Cabaran Porsche 944 Selesai | Round 3 | |
| 1 September - 2 September | Cabaran Porsche 944 Selesai | Round 5 | |
| 1 September - 2 September | PGT3Aus - Porsche Michelin Sprint Challenge Australia Selesai | Round 5 |