Red Bull is convinced it will put up a stronger fight to Melbourne winners McLaren this weekend in Malaysia.
“So second place (in Melbourne) was not too bad.”
Team advisor Dr Helmut Marko agrees: “Vettel spent most of the last day of the testing in Barcelona in the pits.
“Our car is not yet mature,” he added, referring to the Renault-powered RB8.
Team boss Christian Horner said the team brought out “only 60 per cent” of the car’s potential in Australia.