Maurizio Arrivabene says Ferrari will retain its modest targets for the 2015 Formula 1 World Championship in the wake of an eye-catching performance in pre-season testing.

Over six days, Ferrari - with its revised driver line-up of Sebastian Vettel and Kimi Raikkonen - has never strayed outside the top two on the overall timesheets and has been identified by rivals Mercedes and Red Bull as the team that appears to have made the most substantial off-season step forward.

The results come after Arrivabene set Ferrari fairly modest targets for 2015 as it looks to recover from its first F1 season without a race win since 1993, the Italian laying down an objective for two races wins.

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It is a target he stands by at this time despite Ferrari's promising pre-season, going to suggest any more wins would be 'perfect' and joking that at least four wins would see him run barefoot up the hill to Maranello...

"I am not so crazy to change the objective now," he said. "The objective stays the same. To win two races, that's fine. Three would be perfect. Four [wins], I will run without shoes 100km up the hill to Maranello!

"The objective is still the same. OF course, the drivers are looking to win every race, this is their job and what they are paid for. I want to keep people's feet on the ground and be realistic. This is still our objective, the one we were hoping for. We will see in the season."

Reflecting on Ferrari pre-season performance, Arrivabene says he has been impressed but maintains that the 'winter championship' ultimately means little.

"I don't believe in the winter championship. The progress over last year is quite clear, but I am not going to tell you that we will fight for the championship. It is not out of mind that we want to beat our competitors this year, but we are keeping our feet on the ground, the important thing is we are working well together."