2005 Betta Electrical 500
The 2005 Betta Electrical 500 was the ninth round of the 2005 V8 Supercar Championship Series. It was held on the weekend of the 9 to 11 September at Sandown Raceway in Victoria.
It was the 38th "Sandown 500" endurance race.
Top ten shootout
| Pos | No | Team | Driver | Car | Time |
| Pole | 16 | HSV Dealer Team |  Garth Tander | Holden VZ Commodore | 1:10.8917 |
| 2 | 888 | Team Betta Electrical | Craig Lowndes | Ford BA Falcon | 1:11.0773 |
| 3 | 51 | Paul Weel Racing |  Greg Murphy | Holden VZ Commodore | 1:11.2219 |
| 4 | 9 | Stone Brothers Racing | Russell Ingall | Ford BA Falcon | 1:11.2478 |
| 5 | 1 | Stone Brothers Racing | Marcos Ambrose | Ford BA Falcon | 1:11.2640 |
| 6 | 2 | Holden Racing Team | Mark Skaife | Holden VZ Commodore | 1:11.4069 |
| 7 | 88 | Team Betta Electrical | Steven Ellery | Ford BA Falcon | 1:11.5192 |
| 8 | 24 | Castrol Perkins Racing | Steven Richards | Holden VZ Commodore | 1:11.5264 |
| 9 | 6 | Ford Performance Racing | Jason Bright | Ford BA Falcon | 1:11.8541 |
| 10 | 17 | Dick Johnson Racing | Steven Johnson | Ford BA Falcon | 1:12.0887 |
Official results
| Pos | No | Team | Drivers | Car | Laps | Qual Pos | Shootout Pos | Series Points |
| 1 | 888 | Team Betta Electrical | Craig Lowndes Yvan Muller | Ford BA Falcon | 161 | 2 | 2 | 192 |
| 2 | 2 | Holden Racing Team | Mark Skaife Todd Kelly | Holden VZ Commodore | 161 | 3 | 6 | 188 |
| 3 | 3 | Tasman Motorsport | Jason Richards Jamie Whincup | Holden VZ Commodore | 161 | 13 | 184 | |
| 4 | 16 | HSV Dealer Team | Garth Tander Rick Kelly | Holden VZ Commodore | 161 | 9 | 1 | 180 |
| 5 | 88 | Team Betta Electrical | Steven Ellery Adam Macrow | Ford BA Falcon | 161 | 5 | 7 | 176 |
| 6 | 6 | Ford Performance Racing | Jason Bright David Brabham | Ford BA Falcon | 161 | 8 | 9 | 172 |
| 7 | 9 | Stone Brothers Racing | Russell Ingall Luke Youlden | Ford BA Falcon | 161 | 6 | 4 | 168 |
| 8 | 67 | Team Sirromet Wines Team Kiwi Racing | Paul Morris Paul Radisich | Holden VZ Commodore | 160 | 19 | 164 | |
| 9 | 21 | Team BOC | John Bowe Brad Jones | Ford BA Falcon | 160 | 12 | 160 | |
| 10 | 34 | Garry Rogers Motorsport | Cameron McConville Andrew Jones | Holden VZ Commodore | 160 | 11 | 156 | |
| 11 | 22 | Holden Racing Team | Jim Richards James Courtney | Holden VZ Commodore | 159 | 18 | 152 | |
| 12 | 18 | Dick Johnson Racing | Glenn Seton Dean Canto | Ford BA Falcon | 159 | 17 | 148 | |
| 13 | 24 | Castrol Perkins Racing | Steven Richards Paul Dumbrell | Holden VZ Commodore | 159 | 4 | 8 | 144 |
| 14 | 1 | Stone Brothers Racing | Marcos Ambrose Warren Luff | Ford BA Falcon | 159 | 1 | 5 | 140 |
| 15 | 5 | Ford Performance Racing | Greg Ritter Cameron McLean | Ford BA Falcon | 159 | 15 | 136 | |
| 16 | 20 | Larkham Orrcon Racing | Jason Bargwanna Mark Winterbottom | Ford BA Falcon | 158 | 14 | 132 | |
| 17 | 7 | Castrol Perkins Racing | Alex Davison Allan Simonsen | Holden VY Commodore | 158 | 31 | 128 | |
| 18 | 17 | Dick Johnson Racing | Steven Johnson Will Davison | Ford BA Falcon | 158 | 10 | 10 | 124 |
| 19 | 48 | WPS Racing | Craig Baird David Besnard | Ford BA Falcon | 158 | 23 | 120 | |
| 20 | 33 | Garry Rogers Motorsport | Phillip Scifleet Lee Holdsworth | Holden VZ Commodore | 157 | 27 | 116 | |
| 21 | 12 | Team BOC |  John Cleland Dale Brede | Ford BA Falcon | 157 | 20 | 112 | |
| 22 | 8 | WPS Racing | Marcus Marshall Alex Tagliani | Ford BA Falcon | 157 | 25 | 108 | |
| 23 | 25 | Britek Motorsport | Steve Owen Matthew White | Ford BA Falcon | 156 | 22 | 104 | |
| 24 | 52 | Britek Motorsport | José Fernández Damien White | Ford BA Falcon | 153 | 34 | 100 | |
| 25 | 75 | Toll Racing | Anthony Tratt Tony Evangelou | Holden VY Commodore | 153 | 29 | 96 | |
| 26 | 11 | Castrol Perkins Racing | Matthew Coleman Christian D'Agostin | Holden VZ Commodore | 152 | 32 | 92 | |
| DNF | 23 | Tasman Motorsport | Fabian Coulthard Tony D'Alberto | Holden VZ Commodore | 156 | 26 | ||
| DNF | 51 | Paul Weel Racing | Greg Murphy Paul Weel | Holden VZ Commodore | 140 | 7 | 3 | |
| DNF | 10 | Larkham Orrcon Racing |  Alain Menu Matt Halliday | Ford BA Falcon | 116 | 24 | ||
| DNF | 15 | HSV Dealer Team | Tim Leahey Mark Noske | Holden VZ Commodore | 113 | 28 | ||
| DNF | 50 | Paul Weel Racing | Owen Kelly Nathan Pretty | Holden VZ Commodore | 86 | 21 | ||
| DNF | 021 | Team Kiwi Racing Team Sirromet Wines | John Faulkner Alan Gurr | Holden VZ Commodore | 55 | 30 | ||
| DNF | 45 | Team Dynamik | Mark Porter Kayne Scott | Holden VZ Commodore | 41 | 33 | ||
| DNS | 44 | Team Dynamik | Simon Wills Max Wilson | Holden VZ Commodore | 16 |
Statistics
- Provisional pole position - #1 Marcos Ambrose - 1:10.6715
- Pole Position - #16 Garth Tander - 1:10.8917
- Fastest Lap - #888 Craig Lowndes - 1:11.7940
- Average Speed - 142km/h