It began on 21 March 2004 at the Adelaide Street Circuit and ended on 5 December at Eastern Creek Raceway after 13 rounds.
It was the sixth running of the V8 Supercar Championship Series.
The championship was won by Marcos Ambrose of the Stone Brothers Racing.
The following drivers and teams competed in the 2004 V8 Supercar Championship Series.
Bold - Pole position Italics - Fastest lap 2004 V8 Supercar season