Sonic Motor Racing Services is an Australian racing team that is competes in the Porsche Carrera Cup Australia Championship, Porsche Sprint Challenge, the Australian Formula Ford Championship, and the Victorian Formula Ford Championship. The team was formed by Michael Ritter, son of long time touring car racer Graham Ritter and brother of V8 Supercar racer Greg Ritter. Ritter formed the team in 1998 to compete in the Australian Formula Ford Championship. The team used Van Diemen chassis' for the first decade of their existence, which brought them championship victories in the Australian Formula Ford Championship in 2001, 2002, and 2004.

Porsche Carrera Cup Australia is an Australian motor racing series open to Porsche 911 GT3 Cup cars. First held in 2003, it is administered by Porsche Cars Australia Pty Ltd and is sanctioned by Motorsport Australia as a national championship through to 2015 and as a National Series from 2016-2021. Starting in 2022 the category returned back as a national championship. During its history, Carrera Cup has been a leading support category for the Supercars Championship. New Zealand driver Craig Baird has been the most successful driver, winning the series five times.