2021 IndyCar Series
[de] IndyCar Series 2021
[es] Temporada 2021 de IndyCar Series
[fr] IndyCar Series 2021
[hu] 2021-es IndyCar Series szezon
[id] Seri IndyCar musim 2021
[it] IndyCar Series 2021
[ja] 2021年のインディカー・シリーズ
[nl] IndyCar Series 2021
[pl] IndyCar Series 2021
[pt] Temporada da IndyCar Series de 2021