Sebastian Vettel has attempted to keep a lid on the hype over Ferrari's good pre-season pace
Vettel and Ferrari team-mate Kimi Raikkonen peppered the top of the leader board during a fortnight of pre-season testing with the Finn recording the fastest lap overall.
But his fellow Maranello driver has marked out Mercedes as favourites for the Formula One title and played down the chances of his own team.
"I don’t know which expectations we have from the outside but inside we have none," Vettel said.
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"We hope to be very high up.
"That’s our target and we know there’s a lot of work ahead of us.
"We will focus on the single steps and we have to keep pushing."
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The F1 drivers are now all in Melbourne ahead of Sunday's Australian Grand Prix
Kimi Raikkonen will once again partner Sebastian Vettel at Ferrari this year
Vettel, a four-time world champion with Red Bull before joining Ferrari in 2015, has gone 27 races without a win and is understood to be considering his future with the team.
He has less than a year left on his current contract and is only expected to sign an extension if Ferrari demonstrate a significant step forward from last year.
And in spite of good pace and reliability in Barcelona, Vettel knows there is still plenty to learn about how competitive they can be in 2017.
"I think nothing is certain," Vettel added.
"There is a lot of work ahead of us and the car seems to work well.
"We’ve done a lot of laps, so I think we can be happy but there is no certainties.
"Nothing has to be taken for granted and the year is long, it’s still March.
"We're a bit in the dark as anybody else, I think all in all we can be reasonably happy.
"Looking at the performance of the car, the concept was for a very good step forward and that's what I felt on track.
"These cars give us a good feeling in cornering speed, maybe even a bit faster than 10 years ago."