Can you name the IndyCar national champions (USAC/CART/IRL/IndyCar)?
- Answers do not have to be guessed in order
- Source: Champ Car Stats
- All of the champions of American open-wheel racing during the USAC/CART/Champ Car/IRL eras.
- This quiz has not been verified by Sporcle
IndyCar national champions Quiz
- Created May 22, 2010 in Sports
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