Triple Eight driver Broc Feeney began the race from pole position but was overtaken by Matt Payne at Turn 1. Shortly after, Feeney came under pressure from Mostert's teammate.
However, Feeney encountered engine issues during the race, which ultimately hampered his performance and opened the door for Chaz Mostert.
Mostert capitalized on Feeney's misfortune, securing the Supercars title in a dramatic conclusion to the season.
"It’s disappointing to have engine trouble at such a crucial moment," Feeney remarked after the race.
Meanwhile, Mostert expressed relief and pride in clinching the championship.
Chaz Mostert’s victory illustrates the unpredictable nature of motorsport, where mechanical issues can abruptly change the championship outcome.