F1 legend Sir Jackie Stewart is putting his money on Sebastian Vettel to win the world championship this year, rather than Lewis Hamilton.
With three wins achieved so far - in Australia, Bahrain and Monaco - the Ferrari driver leads his Mercedes rival by 25 points, or one clear win, in the Drivers' standings.
"Sebastian has more experience and is calmer than Lewis," said Stewart.
"It will be difficult for Lewis to turn it around because Vettel is so hungry to succeed again."
Stewart was critical of Hamilton last year, believing the Brit deserved to be punished for ignoring team orders in his battle against Nico Rosberg in the last race of the season in Abu Dhabi.
"I think he [Hamilton] can be a little ballerina,” Stewart said back then.
"Toto Wolff and Niki Lauda are not stupid people, and neither is the Mercedes chairman who often comes to Grands Prix.
"You cannot threaten a multi-national corporation of that size by one man who is just not doing it the right way. Give him the option of ‘either do it our way or you have to be excused’."
Another former F1 driver, Marc Surer, agreed with Stewart's favourable view on Vettel.
"Vettel is someone who is discouraged by a bad car, but when he has a good car, he is incredible.
"Also, with his family-driven lifestyle, he has fewer fluctuations than Hamilton."
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