Paul di Resta admits that he will consider all of his options if he finds himself without a drive in F1 next season, although the Scot remains fully focused on retaining his seat with Force India for 2014.

Di Resta has still to be confirmed in a drive for next year, with a number of drivers - including Sergio Perez and Nico Hulkenberg - being linked with the team.

Should he be ousted from his role, di Resta would face limited options to remain on the F1 grid but he said he hoped he had done enough to show he should be kept on.

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"They know what I'm capable of here, they know what I can deliver," he told the Press Association. "I feel like I'm an asset to the team. But I can't make the decision for them, and I have to respect their decision.

"I've said all along I'd love to be part of it. I've expressed that to the senior management, bosses and the shareholders. Obviously, things are getting tighter in the midfield to get seats, so I have to be content with what I've done, and I believe over the last four races I've done what's been asked of me.

"I don't know what will happen. I've got to wait and see. We can only work in the background in trying to secure my Formula One future. We're speaking, and that's all you can do. All is not confirmed yet."

Pushed on whether he would consider going elsewhere, di Resta added that he would leave F1 is there was no way to stay on the grid but said his only focus was on staying involved.

"I've got interest, but my primary objective is to stay in Formula One, and that's what I'm concentrating on," he said. "I built a good reputation in DTM, and there are other opportunities in a few other series. But I'll continue to live this dream I am in because I believe this is where I should be at the moment. I've put in the performances for that."

Di Resta could elect to follow cousin Dario Franchitti in moving to the USA, although he insisted it was an option he hadn't previously thought about.

"I've never really thought about it, to be fair," he said. "I've always been slightly concerned about the safety of it, but sitting down and looking at it logically, it's a serious option to look elsewhere because of the success he has had.

"I'm not at that point yet, I've still a race to go and I'm doing as much as I can in this paddock to make sure I remain here."