Also known as: インディカー・シリーズ, インディカー
The highest level single-seater open-wheel Car Racing league in America, conducted yearly since 1920 (with breaks during the World Wars). The series' premier event is the Indianapolis 500, a 500 mile race around the oval track at Indianapolis Motor Speedway.
IndyCar's Racecars currently all use a uniform chassis by Dallara, with engines sourced from either Chevrolet or Honda.