We take a look through every winner of the IndyCar Series since the inaugural season in 1996.
Scott Dixon is the most decorated driver in IndyCar with a total of six titles, having won his first in 2003.
The New Zealander is trailed by Dario Franchitti with the British driver winning four titles across five seasons between 2007 and 2011.
Two other drivers have tallied three career triumphs, with Sam Hornish Jr. the most successful American in the series whilst Alex Palou has dominated the competition in recent years.
A total of 16 drivers have been crowned IndyCar champion.
*Scott Sharp and Buzz Calkins were tied in the final standings of the 1996 season and were declared co-champions.