IndyCar star Colton Herta has been announced as Cadillac F1’s test driver for the 2026 season, with the American due to be reserve for Valtteri Bottas and Sergio Perez.

The move comes in the weeks after the team confirmed its inaugural driver line-up for when it enters the grid next season, with the nine-time IndyCar race winner set to be a part of the team’s setup – alongside confirmation from IndyCar itself that he will be leaving the series.

Colton Herta joins Cadillac F1 as test driver, leaves IndyCar

Herta, 25, has been regularly linked with a Formula 1 seat in recent seasons, including with the Red Bull junior pool, but he currently lacks the FIA Super Licence points to qualify to drive in Formula 1 on a full-time basis.

Recent rumours had linked Herta with a potential season in

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