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The 2021 NTT IndyCar Series will be the 26th season of the IndyCar Series and the 100th official championship season of American open wheel racing. The premier event will be the 2021 Indianapolis 500. It will be the second year under Penske management after they took over in late 2019.
2021 season will be the final season of Dallara DW12 UAK18 and Dallara DW12 chassis package that debuted in 2018 and 2012 seasons respectively. 2021 also marked the final season for the 2.2-litre V6twin-turbocharged engine package that debuted in 2012 and exclusively later became mandatory twin-turbocharged since 2014, as a brand new chassis and engine package was introduced for the following season.
Contracted teams and drivers
The following teams and drivers have been announced to compete in the 2021 NTT IndyCar Series season. All teams use a specDallara IR18 chassis with universal aero kit and Firestone tires.
On September 9, 2020, it was announced that 7-time NASCAR Cup champion Jimmie Johnson will partner with Chip Ganassi Racing to finalize sponsorship on a program to run all of IndyCar's road/street courses in 2021 & 2022.