The 1974 Australian Sports Car Championship was an Australian motor racing competition open to Group A Sports Cars and Group D Production Sports Cars.[1] It was authorised by the Confederation of Australian Motor Sport as an Australian National Title.[1]
Th championship, which was the sixth Australian Sports Car Championship,[2] was won by Henry Michell driving an Elfin 360 Repco.[3]
The championship was contested over a four-round series with one race per round.[3]
| Round | Round name | Circuit | Date | Winner | Car | |
| 1 | Adelaide International Raceway | 31 March | Lionel Ayers | Rennmax Repco | ||
| 2 | Calder Raceway | 26 May[4] | Lionel Ayers | Rennmax Repco | ||
| 3 | Endeavour Cup[5] | Phillip Island | 13 October | Garrie Cooper | Elfin MS7 Repco Holden[6] | |
| 4 | Symmons Plains | 11 November[7] | Garrie Cooper | Elfin MS7 Repco Holden |
Cars competed in two engine displacement classes:[1]
Championship points were awarded on a 9-6-4-3-2-1 basis to the first six place-getters in each class.[1] Additional points were awarded on a 4-3-2-1 basis to the first four place-getters outright, irrespective of class.[1]
| Position | Driver[8] | Car[9] | Entrant | Ade. | Cal. | Phi. | Sym. | Total | |
| 1 | Henry Michell | Elfin 360 Repco | Henry Michell[10] | 12 | 11 | 12 | 12 | 47 | |
| 2 | Lionel Ayers | Rennmax Repco | Lionel Ayers | 13 | 13 | - | - | 26 | |
| = | Garrie Cooper | Elfin MS7 Repco Holden | Ansett Team Elfin | - | - | 13 | 13 | 26 | |
| 4 | Bill O'Gorman | Matich SR5 Waggott | Singapore Airlines | - | 6 | 8 | - | 14 | |
| 5 | Peter Jones | Farrell Clubman | Motor Improvements | - | 4 | 7 | - | 11 | |
| 6 | Robin Pare | Elfin ME5 Chevrolet | Donald Elliott | - | 9 | - | - | 9 | |
| 7 | Eric Boord | Boral Ford | Shell Racing Team | 8 | - | - | - | 8 | |
| = | Peter Turnbull | Turnham GM6 Holden | P. Turnbull | - | - | - | 8 | 8 | |
| 9 | Barry Randall | Rennmax Repco Brabham | Litre Motors | 7 | - | - | - | 7 | |
| = | Alan Gissing | Gissing Holden | Alan Gissing | 4 | 3 | - | - | 7 | |
| 11 | Alan Newton | R&T Chevrolet | A. Newton | - | - | 6 | - | 6 | |
| 12 | Stuart Kostera | Kostera SR3A Chevrolet[11] | Stuart Kostera Racing[12] | - | 5 | - | - | 5 | |
| 13 | Doug Clark | Wright Renault | Doug Clark | 4 | - | - | - | 4 | |
| = | Paul Gibson | Lotus 23B Oldsmobile | Paul Gibson | - | - | 4 | - | 4 | |
| 15 | John Phillips | Farrell Galant | Kookaburra Racing Team | 3 | - | - | - | 3 | |
| = | Mike Drewer | Farrell CI/P | M. J. Drewer | - | 3 | - | - | 3 | |
| = | Ross Wemyss | Farrell Toyota | Drug Houses of Australia | - | - | 3 | - | 3 | |
| 18 | Jim Doig | Motorlab ASP | Motorlab Racing | 2 | - | - | - | 2 | |
| = | Vaughan Gibson | Farrell Clubman | Linc Contemporary | - | 2 | - | - | 2 | |
| 20 | Peter Hunter | Lotus Super 7 | Peter Hunter | 1 | - | - | - | 1 |