The 43-year-old Scot will drive a Ford Fiesta in the Rallycross of Catalunya, the second race of the season, which starts on April 27.
“Driving a rallycross car has always been in my list, but competing against the best in the world will really be something special, and a great challenge,” Hoy said in a statement.
“I will be testing next week… And I will learn as much as I can before my World RX debut in Spain.”
Hoy, who won three Olympic gold medals in 2008, retired from competitive cycling six years ago.
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