2018 Adelaide 500
The 2018 Adelaide 500 is a motor racing event for the Supercars Championship, held on the weekend of 2 to 4 March 2018. The event was held at the Adelaide Street Circuit in Adelaide, South Australia, and marked the twentieth running of the Adelaide 500. It was the first event of sixteen in the 2018 Supercars Championship and consists of two races of 250 kilometres. The race will also be supported by the opening round of the 2018 Super2 Series, a championship for older models of Supercars. It was also the inaugural round of the new SuperUtes Series.
Shane van Gisbergen won both Race 1 and Race 2, drove a Holden Commodore ZB for Triple Eight Race Engineering.
Results
Practice
Race 1
Qualifying
Top 10 Shootout
Race
;Notes- – Lee Holdsworth received a 5 second Time penalty for Careless Driving, causing contact with Garth Tander separating the Pit Lane from the Race Track at Pit Entry.
- – Garth Tander received a 5 second Time penalty after being found guilty for the incident with Craig Lowndes and Cameron Waters.
Championship standings after Race 1
| Driver | Gap | ||
| 1 |  Shane van Gisbergen | 150 | |
| 2 |  James Courtney | 138 | -12 |
| 3 | Scott McLaughlin | 129 | -21 |
| 4 | David Reynolds | 120 | -30 |
| 5 | Mark Winterbottom | 111 | -39 |
;Teams Championship
| Team | Gap | ||
| 1 | Triple Eight Race Engineering | 262 | |
| 2 | Walkinshaw Andretti United | 216 | -46 |
| 3 | Tickford Racing | 207 | -55 |
| 4 | DJR Team Penske | 171 | -91 |
| 5 | Erebus Motorsport | 168 | -94 |
- Note: Only the top five positions are included for both sets of standings.
Race 2
Qualifying
Top 10 Shootout
Race
;Notes- – Jack Le Brocq received a 15 second Time penalty for crossing the chevron separating the Pit Lane from the Race Track at Pit Entry.
Championship standings after Race 2
| Driver | Gap | |||
| 1 | Shane van Gisbergen | 300 | ||
| 2 | 2 | David Reynolds | 258 | -42 |
| 1 | 3 | James Courtney | 240 | -60 |
| 3 | 4 | Chaz Mostert | 216 | -84 |
| 2 | 5 | Scott McLaughlin | 207 | -93 |
;Teams Championship
| Team | Gap | |||
| 1 | 1 | Walkinshaw Andretti United | 408 | |
| 1 | 2 | Triple Eight Race Engineering | 402 | -6 |
| 3 | Tickford Racing | 393 | -15 | |
| 1 | 4 | Erebus Motorsport | 330 | -78 |
| 1 | 5 | DJR Team Penske | 306 | -102 |
- Note: Only the top five positions are included for both sets of standings.