US Grand Prix 2016: Sebastian Vettel dodges contract talk as he refuses to commit future to Ferrari
German's deal with Italian team ends next season - four-time world champions is frustrated by performances
SEBASTIAN VETTEL has refused to commit his future to Ferrari beyond his current contract.
The four-time world champion has a deal with the Italian team that stretches until the end of next year.
However, the German sidestepped questions about his long-term future with the under-performing team.
When ask here in Austin ahead of the US GP this weekend about a contract extension, Vettel said: "We are all fairly busy at the moment, focusing on the last four races and focusing in particular on next year.
"I don't think it's that important to look into details such as my contract. It's fine for next year.
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"There are a lot of things happening back in the factory, I know we are very busy and that's where I want the focus to be."
F1 insiders have already expressed concerns whether Vettel, who is without a win this season, would stay with Ferrari.
His former team-mate at Red Bull, Mark Webber, had previously stated how 2017 was going to be make or break for the driver and team's relationship.
Vettel's comments come after Ferrari boss Maurizio Arrivabene said that no deal was guaranteed for 2018.
He previously said: "Sebastian has a contract with us. We work together this year and next year. Then during next year we'll see.
"Each of us has goals. So it is only right that anyone, no matter who it is, earns their place and their salary."