List of American Championship Car winners
The following is a list compiling the total number of career victories in open wheel American Championship car racing. The list recognizes IndyCar or Champ Car victories under the following auspices:
- American Automobile Association Contest Board (1905, 1916, and 1920–1955)
- United States Automobile Club (1956–1997)
- Championship Auto Racing Teams/Champ Car World Series (1979–2007)
- Indy Racing League/IndyCar Series (1996–present)
Colton Herta is the youngest winner of a major American open-wheel car race; he was 18 years, 11 months and 25 days old when he won the 2019 IndyCar Classic. Louis Unser is the oldest winner of a major American open-wheel car race; he was 57 years, 5 months and 22 days when he won the 1953 Pikes Peak International Hill Climb.