1981 Australian Drivers' Championship
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The 1981 Australian Drivers' Championship was a CAMS sanctioned Australian motor racing title open to racing cars complying with Australian Formula 1.[1] It was the 25th Australian Drivers' Championship.[2] The title winner, Alfredo Costanzo[3] was awarded the 1981 CAMS "Gold Star".[1]
The championship was contested over a two-round series.[3]
| Round[3] | Circuit[3] | Date[3] | Format[3] | Round winner[3] | Car[3] |
| 1 | Sandown Park | 22 February | One race | Alfredo Costanzo | McLaren M26 Chevrolet |
| 2 | Amaroo Park | 12 July | Two heats | Alfredo Costanzo | McLaren M26 Chevrolet |
Classes
Points system
Championship points were awarded at each round on a 9-6-4-3-2-1 basis to the first six finishers in each class.[1] Additional points were awarded at each round on a 4-3-2-1 basis to the first four finishers outright, regardless of class.[1]
Where rounds were contested over more than one heat, round placings were determined by allocating points to the first 14 placegetters in each heat on a 20-16-13-11-10-9-8-7-6-5-4-3-2-1 basis and then aggregating these points.[1] Where more than one driver earned the same number of points the relevant round placing was awarded to the driver who was higher placed in the last heat.[1]
