Karl Reindler was born on 18 April 1985 in is a racing driver from Perth, Western Australia. Reindler competes in the International V8 Supercars Championship for Kelly Racing.
Reindler won the 2004 Australian Formula 3 Championship, beating Chris Gilmour by only 3 points.
Reindler moved to Britain in 2005 to complete a half-season running in British F3, before competing in a full season in 2006, finishing a disappointing 14th from 17 Championship Class runners.
He represented Australia in the final race as second driver in the 2005-06 A1 Grand Prix of Nations season, then second round of the 2006-07 A1 Grand Prix season in the Czech Republic, without scoring any points, but in the third round in Beijing, China, he ended up on the podium in the Feature Race, profiting from other driver retirements. He continued on until the Durban event in South Africa then was dropped by the team. He joined the ranks of the Asian Formula Renault V6 series in 2007, but only ran one meeting.
2008 saw him join Matt Connolly Motorsports Pontiac GTO.R team for the Daytona 24 Hour. Reindler qualified the car 30th and 5th in GT, but had drama’s during the race and finished 45th and 27th in class. He also drove in the 2008 FIA GT Brno 2 Hours for ARC Bratislava, qualifying 27th and finishing 22nd in the race. This was in addition to a full season in Fujitsu series in 2008, partnering Dean Canto at Howard Racing. 2009 saw just a handful of races which included the twin driver Australian Mini Challenge race in Perth where he shared with his younger brother Chris and some V8 Supercar events.
Reindler joined V8 Supercar full time in 2010. Reindler drove a Brad Jones Racing customer Holden Commodore under the banner of Britek Motorsport and Fair Dinkum Sheds Racing.
On 1 May 2011, Reindler was involved in a major start-line accident with Steve Owen at Barbagallo Raceway. Reindler’s Commodore stalled on the grid and was hit from behind at an estimated 150 km/h by Owen, the resulting impact rupturing the safety fuel cell, producing a major fireball. The fuel entered the car and starting burning it from the inside out. Reindler walked away suffering burns to his face and hands, was hospitalised and released that evening.
In 2012 Karl joined Kelly Racing to drive the #11 Car as team mate to Greg Murphy for the 2012 season.