1998 Australian GT Production Car Championship
The 1998 Australian GT Production Car Championship was a CAMS sanctioned motor racing title for drivers of Group 3E Series Production Cars. The championship, which was promoted by Procar Australia, was the third Australian GT Production Car Championship.
Calendar
The title was contested over an eight round series with two races per round.| Round | Circuit | State | Date |
| 1 | Calder Park | Victoria | 5 April |
| 2 | Oran Park | New South Wales | 26 April |
| 3 | Phillip Island | Victoria | 17 May |
| 4 | Eastern Creek | New South Wales | 7 June |
| 5 | Lakeside | Queensland | 28 June |
| 6 | Mallala | South Australia | 19 July |
| 7 | Winton | Victoria | 9 August |
| 8 | Oran Park | New South Wales | 30 August |
The final round had been scheduled to be run at Amaroo Park on 30 August but was moved to Oran Park on the same date.
Points system
Championship points were awarded on a 15-12-10-8-6-5-4-3-2-1 basis to the first ten classified finishers in each race. A bonus point was awarded to the driver setting pole position at each round.Points for the five class titles were awarded on a similar basis but with no bonus point for pole position.