| Type: | CUST |
| Description: | Race 4 of 5 in 1973 Australian Drivers' Championship |
| Grand Prix: | Australian |
| Country: | Australia |
| Official Name: | XXXVIII Australian Grand Prix |
| Location: | Sandown Raceway, Melbourne, Victoria |
| Date: | 4 November |
| Year: | 1973 |
| Course: | Permanent racing facility |
| Course Mi: | 1.92 |
| Course Km: | 3.1 |
| Distance Laps: | 52 |
| Distance Mi: | 99.84 |
| Distance Km: | 161.2 |
| Weather: | Sunny |
| Pole Driver: | John McCormack |
| Pole Country: | AUS |
| Pole Team: | Elfin-Repco Holden |
| Pole Time: | 1'01.2 |
| Fast Driver: | Graham McRae |
| Fast Team: | McRae-Chevrolet |
| Fast Time: | 1'02.6 |
| Fast Country: | NZL |
| First Driver: | Graham McRae |
| First Country: | NZL |
| First Team: | McRae-Chevrolet |
| Second Driver: | John McCormack |
| Second Country: | AUS |
| Second Team: | Elfin-Repco Holden |
| Third Driver: | Johnnie Walker |
| Third Country: | AUS |
| Third Team: | Lola-Repco Holden |
The 1973 Australian Grand Prix was a race for Australian Formula 1 and Australian Formula 2 racing cars,[1] the former class incorporating Formula 5000 cars. It was held on 4 November at Sandown[2] and was the second AGP in a row to be held at that circuit.
It was the thirty eighth Australian Grand Prix and doubled as round four of the 1973 Australian Drivers' Championship. Defending winner Graham McRae won his second AGP ahead of John McCormack and Johnnie Walker.[3]
Results as follows:
| Pos | No.[4] | Driver | Car | Entrant | Qual | Gap | |
|---|---|---|---|---|---|---|---|
| 1 | 3 |  John McCormack | Elfin MR5 / Repco Holden 5.0L V8 | Ansett Team Elfin | 1:01.2 | — | |
| 2 | 25 | Johnnie Walker | Lola T330 / Repco Holden 5.0L V8 | John Waker Motor Racing | 1:01.4 | +0.2 | |
| 3 | 5 | Kevin Bartlett | Lola T330 / Chevrolet 5.0L V8 | Chesterfield Filter Racing | 1:01.7 | +0.5 | |
| 4 | 1 |  Graham McRae | McRae GM2 / Chevrolet 5.0L V8 | Graham McRae | 1:01.8 | +0.6 | |
| 5 | 6 | Max Stewart | Lola T330 / Chevrolet 5.0L V8 | Seiko Service Centre | 1:01.9 | +0.7 | |
| 6 | 14 | Howie Sangster | McLaren M18/M22 / Chevrolet 5.0L V8[5] | Don O'Sullivan Racing Pty. Ltd. | 1:03.7 | +2.5 | |
| 7 | 2 | Garrie Cooper | Elfin MR5 / Repco Holden 5.0L V8 | Ansett Team Elfin | 1:05.0 | +3.8 | |
| 8 | 16 | John Leffler | Elfin MR5 / Repco Holden 5.0L V8 | Seiko Service Centre | 1:05.1 | +3.9 | |
| 9 | 18 | Enno Buesselmann | Birrana 273 / Ford 1.6L I4 | Bob & Marj Brown | 1:09.2 | +8.0 | |
| 10 | 19 | Leo Geoghegan | Birrana 273 / Ford 1.6L I4 | Grace Bros. Racing Team | 1:10.6 | +9.4 | |
| 11 | 90 | Ken Hastings | Brabham BT36 / Ford 1.6L I4 | B.B. Cameron | 1:12.3 | +11.1 | |
| 12 | 31 | Alfredo Costanzo | Elfin Mono / Ford 1.6L I4 | A. Costanzo | 1:13.8 | +12.6 | |
| 13 | 38 | Chas Talbot | Elfin 600E / Ford 1.6L I4 | Chas Talbot | 1:14.8 | +13.6 |
| Pos | No. | Driver | Car | Entrant | Laps | Time |
|---|---|---|---|---|---|---|
| 1 | 1 | Graham McRae | McRae GM2 / Chevrolet 5.0L V8 | Graham McRae | 52 | 57m 54.8s |
| 2 | 3 | John McCormack | Elfin MR5 / Repco Holden 5.0L V8 | Ansett Team Elfin | 52 | 57m 56.5s |
| 3 | 25 | Johnnie Walker | Lola T330 / Repco Holden 5.0L V8 | John Waker Motor Racing | 50 | |
| 4 | 14 | Howie Sangster | McLaren M18/M22 / Chevrolet 5.0L V8 | Don O'Sullivan Racing Pty. Ltd. | 50 | |
| 5 | 2 | Garrie Cooper | Elfin MR5 / Repco Holden 5.0L V8 | Ansett Team Elfin | 49 | |
| 6 | 16 | John Leffler | Elfin MR5 / Repco Holden 5.0L V8 | Seiko Service Centre | 49 | |
| 7 | 18 | Enno Buesselmann | Birrana 273 / Ford 1.6L 4cyl | Bob & Marj Brown | 46 | |
| 8 | 90 | Ken Hastings | Brabham BT36 / Ford 1.6L 4cyl | B.B. Cameron | 45 | |
| 9 | 5 | Kevin Bartlett | Lola T330 / Chevrolet 5.0L V8 | Chesterfield Filter Racing | 43 | |
| 10 | 31 | Alfredo Costanzo | Elfin Mono / Ford 1.6L I4 | A. Costanzo | 41 | |
| NC | 6 | Max Stewart | Lola T330 / Chevrolet 5.0L V8 | Seiko Service Centre | 31 | |
| DNS | 19 | Leo Geoghegan | Birrana 273 / Ford 1.6L 4cyl | Grace Bros. Racing Team | ||
| DNS | 38 | Chas Talbot | Elfin 600E / Ford 1.6L I4 | Chas Talbot | ||
John McCormack – 1'01.2
Graham McRae – 1'01.6
