The 1998 Rio 400 was the fifth round of the 1998 CART World Series Season, held on May 10, 1998, on the Autódromo Internacional Nelson Piquet, Rio de Janeiro, Brazil.
The 1998 Rio 400 was the fifth round of the 1998 CART World Series Season, held on May 10, 1998, on the Autódromo Internacional Nelson Piquet, Rio de Janeiro, Brazil. (en)