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