Porsche Michelin Sprint Challenge Australia

The Porsche Michelin Sprint Challenge Australia, formerly the Porsche GT3 Cup Challenge Australia, is a one-make series for Porsche 911 GT3 Cup cars run by Porsche Cars Australia. Founded in 2008 as a step between club racing and Carrera Cup Australia, it races Type 991 Gen I and Gen II cars in separate classes over a six-round season split between Shannons SpeedSeries and Supercars Championship weekends.