The 1973 Australian Grand Prix was a race for Australian Formula 1

Australian Formula 1

Australian Formula 1 was a motor sport category for open-wheeler racing cars which was current in Australia from 1970 to 1983.AF1 was introduced by the Confederation of Australian Motor Sport in 1970, initially restricting cars to unsupercharged engines of no greater than 2.5-litre capacity,...

 and Australian Formula 2 racing cars, the former class incorporating Formula 5000

Formula 5000

Formula 5000 was an open wheel, single seater auto-racing formula that ran in different series in various regions around the world from 1968 to 1982. It was originally intended as a low-cost series aimed at open-wheel racing cars that no longer fit into any particular formula...

 cars. It was held on November 4 at Sandown International Raceway and was the second AGP in a row to be held at that circuit.

It was the thirty eighth Australian Grand Prix

Australian Grand Prix

The Australian Grand Prix is a motor race held annually and is held to be the pinnacle of motor racing in Australia. The Grand Prix is the oldest surviving motor racing competition held in Australia having been held 76 times since it was first run at Phillip Island in 1928. Since 1985 the race has...

 and doubled as round four of the 1973 Australian Drivers' Championship

1973 Australian Drivers' Championship

The 1973 Australian Drivers' Championship was a CAMS sanctioned national motor racing title open to drivers of Australian Formula 1 and Australian Formula 2 cars...

. Defending winner Graham McRae

Graham McRae

Graham McRae is a former racing driver from New Zealand.McRae's single outing in the Formula One World Championship was at the 1973 British Grand Prix on 14 July 1973, where he retired in the first lap...

 won his second AGP ahead of John McCormack

John McCormack (racing driver)

‎John McCormack is a former Australian racing driver. Originally from Tasmania McCormack became one of the leading Formula 5000 racers in Australia during the 1970s....

 and Johnnie Walker

Johnnie Walker (racing driver)

Johnnie Walker is a former Australian racing driver. Born in Adelaide, he first raced Holden FE's in the 1960s. After competing in the Australian Formula 2 Championship he graduated to Formula 5000 where he drove an Elfin and a Matich A50 before switching to the Lola marque in late 1973.Walker...

.

Classification

Results as follows:

Pos	No.	Driver	Car	Laps	Time
1	1	Graham McRae Graham McRae Graham McRae is a former racing driver from New Zealand.McRae's single outing in the Formula One World Championship was at the 1973 British Grand Prix on 14 July 1973, where he retired in the first lap...	McRae GM2 / Chevrolet Chevrolet Small-Block engine The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic small engine block...  5.0L V8	52	57m 54.8s
2	3	John McCormack John McCormack (racing driver) ‎John McCormack is a former Australian racing driver. Originally from Tasmania McCormack became one of the leading Formula 5000 racers in Australia during the 1970s....	Elfin MR5 Elfin MR5 The Elfin MR5 is an Australian Formula 5000 racing car produced from 1971-1972 by Elfin Sports Cars. John McCormack drove an MR5 to victory in the 1973 Australian Drivers' Championship, the 1973 New Zealand Grand Prix, the 1974 New Zealand Grand Prix and the 1974 Lady Wigram Trophy....  / Holden Holden V8 engine The Holden V8 is an overhead valve V8 engine which was produced by the Australian General Motors subsidiary Holden between 1969 and 2000. The engine was used initially in the Kingswood and Monaro model ranges; it was later utilised in the Torana and Commodore ranges...  5.0L V8	52	57m 56.5s
3	25	Johnnie Walker Johnnie Walker (racing driver) Johnnie Walker is a former Australian racing driver. Born in Adelaide, he first raced Holden FE's in the 1960s. After competing in the Australian Formula 2 Championship he graduated to Formula 5000 where he drove an Elfin and a Matich A50 before switching to the Lola marque in late 1973.Walker...	Lola T330 / Holden Holden V8 engine The Holden V8 is an overhead valve V8 engine which was produced by the Australian General Motors subsidiary Holden between 1969 and 2000. The engine was used initially in the Kingswood and Monaro model ranges; it was later utilised in the Torana and Commodore ranges...  5.0L V8	50
4	14	Howie Sangster	McLaren M22 / Chevrolet Chevrolet Small-Block engine The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic small engine block...  5.0L V8	50
5		Garrie Cooper Garrie Cooper Garrie Clifford Cooper was the founder of the highly successful Elfin Sports Cars and a competitive racing driver in his own right, winning the 1968 Australian 1½ Litre Championship and the 1975 Australian Sports Car Championship...	Elfin MR5 Elfin MR5 The Elfin MR5 is an Australian Formula 5000 racing car produced from 1971-1972 by Elfin Sports Cars. John McCormack drove an MR5 to victory in the 1973 Australian Drivers' Championship, the 1973 New Zealand Grand Prix, the 1974 New Zealand Grand Prix and the 1974 Lady Wigram Trophy....  / Holden Holden V8 engine The Holden V8 is an overhead valve V8 engine which was produced by the Australian General Motors subsidiary Holden between 1969 and 2000. The engine was used initially in the Kingswood and Monaro model ranges; it was later utilised in the Torana and Commodore ranges...  5.0L V8	49
6	34	John Leffler John Leffler John Leffler is a former Australian racing driver. Leffler is best known for driving open-wheelers and winning the Australian Drivers' Championship in 1976.Leffler drove Morris Coopers for many years in the 1960s...	Elfin MR5 Elfin MR5 The Elfin MR5 is an Australian Formula 5000 racing car produced from 1971-1972 by Elfin Sports Cars. John McCormack drove an MR5 to victory in the 1973 Australian Drivers' Championship, the 1973 New Zealand Grand Prix, the 1974 New Zealand Grand Prix and the 1974 Lady Wigram Trophy....  / Holden Holden V8 engine The Holden V8 is an overhead valve V8 engine which was produced by the Australian General Motors subsidiary Holden between 1969 and 2000. The engine was used initially in the Kingswood and Monaro model ranges; it was later utilised in the Torana and Commodore ranges...  5.0L V8	49
7		Enno Buesselmann	Birrana 273 / Ford Ford Motor Company Ford Motor Company is an American multinational automaker based in Dearborn, Michigan, a suburb of Detroit. The automaker was founded by Henry Ford and incorporated on June 16, 1903. In addition to the Ford and Lincoln brands, Ford also owns a small stake in Mazda in Japan and Aston Martin in the UK...  1.6L 4cyl	46
8		Ken Hastings	Brabham BT36 / Ford Ford Motor Company Ford Motor Company is an American multinational automaker based in Dearborn, Michigan, a suburb of Detroit. The automaker was founded by Henry Ford and incorporated on June 16, 1903. In addition to the Ford and Lincoln brands, Ford also owns a small stake in Mazda in Japan and Aston Martin in the UK...  1.6L 4cyl	45
9	5	Kevin Bartlett Kevin Bartlett (race driver) Kevin Bartlett , often known by his nickname "KB", is an Australian former open wheel and touring car racing driver who won the CAMS Gold Star in 1968 and 1969, as well as the prestigious Bathurst 1000. Bartlett was named in Wheels magazine's annual yearbook in 2004 as one of Australia's 50...	Lola T330 / Chevrolet Chevrolet Small-Block engine The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic small engine block...  5.0L V8	43
10	84	Alfredo Costanzo Alfredo Costanzo Alfredo Costanzo is a retired Australian racing driver.The Italian-Australian was Australia's foremost domestic open wheeler driver in the late 70s and early 80s, proving equally adapt at winning races in the powerful Formula 5000 class as much as the nimble Formula Pacific cars that replaced them...	Elfin Mono / Ford Ford Motor Company Ford Motor Company is an American multinational automaker based in Dearborn, Michigan, a suburb of Detroit. The automaker was founded by Henry Ford and incorporated on June 16, 1903. In addition to the Ford and Lincoln brands, Ford also owns a small stake in Mazda in Japan and Aston Martin in the UK...  1.6L 4cyl	41
NC		Max Stewart Max Stewart Malcolm Clarke Stewart was an Australian racecar driver....	Lola T330 / Chevrolet Chevrolet Small-Block engine The Chevrolet small-block engine is a series of automobile V8 engines built by the Chevrolet Division of General Motors using the same basic small engine block...  5.0L V8	31
DNS		Leo Geoghegan Leo Geoghegan Leo Geoghegan is a retired Australian racing driver.Geoghegan is the elder of two sons of New South Wales car dealer Tom Geoghegan, who went on to become two of the dominant names in Australian motor racing in the 1960s...	Birrana 273 / Ford Ford Motor Company Ford Motor Company is an American multinational automaker based in Dearborn, Michigan, a suburb of Detroit. The automaker was founded by Henry Ford and incorporated on June 16, 1903. In addition to the Ford and Lincoln brands, Ford also owns a small stake in Mazda in Japan and Aston Martin in the UK...  1.6L 4cyl
DNS		Chas Talbot	Elfin 600E / Ford Ford Motor Company Ford Motor Company is an American multinational automaker based in Dearborn, Michigan, a suburb of Detroit. The automaker was founded by Henry Ford and incorporated on June 16, 1903. In addition to the Ford and Lincoln brands, Ford also owns a small stake in Mazda in Japan and Aston Martin in the UK... 1.6L 4cyl