2003 V8 Supercar Championship Series

It ended with the awarding of the 44th Australian Touring Car Championship title by the Confederation of Australian Motor Sport to Tasmanian driver Marcos Ambrose.

It was the first time a Stone Brothers Racing driver had won the championship and marked the first title win by a Ford driver since Glenn Seton in 1997, ending a five-year run by Holden Racing Team.

The following drivers and teams competed in the 2003 V8 Supercar Championship Series.

* = Drove in Sandown 500 only ** = Drove in Bathurst 1000 only The 2003 V8 Supercar Championship Series consisted of 13 rounds which included eleven sprint rounds of one, two or three races and two longer distance endurance races requiring two drivers per car.

Bold - Pole position Italics - Fastest lap

Marcos Ambrose won his first V8 Supercar Championship with Stone Brothers Racing .
Greg Murphy finished second for the second consecutive season.
Mark Skaife finished third, ending a three season long winning streak.