The 2013 Austin 400 was a motor race meeting for the Australasian sedan-based V8 Supercars. It was the fifth event of the 2013 International V8 Supercars Championship. Four races were held during the race meeting. It was the first V8 Supercar event to be held in North America.

Jamie Whincup, driving for Triple Eight Race Engineering, dominated the event, continuing his strong form from the previous round at Barbagallo Raceway. Whincup won three of the four races and scored three pole positions. Brad Jones Racing's Fabian Coulthard was the only driver to beat Whincup, taking one pole position and one race win.

The event took place on a short version of the Circuit of the Americas, 2.3mi (3.7km) long instead of 3.426mi (5.513km).

Championship standings after the race

  • After 16 of 36 races.
Pos.DriverPoints
Drivers' Championship standings Pos. Driver Points 1 Jamie Whincup 1217 1 2 Craig Lowndes 1075 1 3 Will Davison 1004 2 4 Fabian Coulthard 954 1 5 Jason Bright 945Teams' Championship standings Pos. Constructor Points 1 Triple Eight Race Engineering 2292 1 2 Brad Jones Racing 1944 1 3 Ford Performance Racing 1890 4 Holden Racing Team 1728 5 Tekno Autosports 1690
1Jamie Whincup1217
12Craig Lowndes1075
13Will Davison1004
24Fabian Coulthard954
15Jason Bright945
Pos.ConstructorPoints
1Triple Eight Race Engineering2292
12Brad Jones Racing1944
13Ford Performance Racing1890
4Holden Racing Team1728
5Tekno Autosports1690
  • Note: Only the top five positions are included for both sets of standings.
Supercars Championship
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