Two fellow champions have said that they have no intention of following Fernando Alonso into Indycar once their Formula 1 careers end.

Two-time world champion Alonso told the Spanish press last month: "There are three competitions at the top of the legend of motor sport: Monaco, Le Mans and the Indianapolis 500.

"I know it's difficult to win all three but it would be a great challenge."

Alonso's current teammate and the 2009 world champion Jenson Button, however, said of Indycar: "Too dangerous."

Also according to Auto Motor und Sport, reigning triple world champion Lewis Hamilton added: "When Nigel Mansell raced in 1993, the cars were skill cool. Today not."

Button and Hamilton currently sit 16th and third respectively in the 2016 driver rankings.