The ST-1, ST-2, ST-3, and ST-4 classes have all existed since the first year of the series in 1991, based on the original Group N regulations and with various displacement and drivetrain layout limits in place.

[3] In the 2021 season finale, Mazda entered a modified version of their Demio (Mazda2) subcompact, powered by biofuel.

[4] In 2022, Toyota and Subaru entered special versions of their GR86 and BRZ sports cars, adapted to run on carbon-neutral synthetic fuel.

[11] Due to the fire at Hankook's manufacturing plant in Daejeon on 12 March 2023, Bridgestone signed a new three-year contract to take over as the tyre supplier of Super Taikyu beginning in 2024.

Drivers listed in italics competed in a select number of rounds for their respective team.

Drivers listed in italics competed in a select number of rounds for their respective team.

Drivers listed in italics competed in a select number of rounds for their respective team.