1948 South Australian 100
The 1948 South Australian 100 was a motor race staged at the Lobethal Circuit in South Australia on 1 January 1948. It was contested as a handicap race over 12 laps, a total distance of 105 miles.
The race, which was the second South Australian 100 to be held at Lobethal, was won by Jim Gullan driving a Ballot Oldsmobile.Results
| Position | Driver | No. | Car | Handicap | Time | Laps |
| 1 | Jim Gullan | 16 | Ballot Oldsmobile | 11:35 | 1:41:05 | 12 |
| 2 | Granton Harrison | 11 | Phillips Ford V8 | 10:10 | 1:39:49 | 12 |
| 3 | Ron Edgerton | 32 | MG TC Special | 16:00 | 1:44:19 | 12 |
| 4 | R Hamilton | 30 | MG TC | 16:00 | | 12 |
| 5 | A Eadie | 34 | MG TC | 16:00 | | 12 |
| 6 | Norman Andrews | 4 | Stewand Austin | 7:00 | | 12 |
| 7 | Jim Skinner | 24 | Ballot Ford V8 | 13:50 | | 12 |
| 8 | H Clisby | 29 | MG TC | 16:00 | | 12 |
| 9 | Rick Howard | 37 | Austin 7 Ulster | 20:00 | | 12 |
| 10 | Harold Tribe | 10 | Willys Mercury V8 | 10:10 | | 12 |
| 11 | David Harvey | 35 | MG TA | 16:00 | | 12 |
| 12 | Tony Ohlmeyer | 28 | MG TA | 15:00 | | 12 |
| 13 | Gordon Stewart | 26 | MG L-type Magna | 14:00 | | 12 |
| NC | Tony Gaze | 17 | HRG Aerodynamic | ? | | 11 |
| NC | Gavin Sandford-Morgan | 27 | MG C-type s/c | 15:00 | | 11 |
| NC | D Howard | 39 | MG PB | 23:00 | | 11 |
| DNF | Jack Nind | 14 | MG TB Special | 11:00 | | 9 |
| DNF | Bill Patterson | 19 | MG TC | 12:35 | | 8 |
| DNF | John Barraclough | 18 | MG NE Magnette | 12:35 | | 7 |
| DNF | Doug Whiteford | 6 | Ford V8 Special | 9:00 | | 3 |
| DNF | Ern Seeliger | 2 | Itala Ford V8 | Scratch | | 1 |
Notes:
- Race distance: 12 laps, 105 miles
- Number of starters: 21
- Number of classified finishers: 13
- Fastest time: Granton Harrison, 1:39:49
- Fastest Lap: Doug Whiteford, 6:07
- Teams Prize: Harvey, Hamilton & Ohmeyer
