Sebastian Vettel says Red Bull should be able to improve a little more on Saturday and he reckons it will be fairly close between all the cars in the German Grand Prix.

Red Bull was strong in both Friday practice sessions, and while it was team-mate Daniel Ricciardo that again led the way - finishing FP2 less than a tenth off the pace setting Mercedes of Lewis Hamilton - Vettel was still positive, despite winding up five places back in P8 and 0.805 seconds slower.

"In the long run, especially, it is not so easy. But I think we can still improve a little bit for tomorrow," said Vettel. "I don't think not having the FRIC suspension on the car made too much difference for us today.

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"It may be more relevant for other people, but I haven't seen much yet and gone through all the times. We will have to analyse that and see if it makes a real difference."

So does Red Bull have the second quickest car? "It looks like [that is the case]," he continued. "Daniel had a better run on the supersoft. I think it will be a bit closer, maybe, than other weekends.

"I think it will be fairly close between us, Ferrari and Williams as well. [Overall] it is nice to be at home and close to where I grew up - it is not far from here. I'm looking forward to the rest of the weekend."

Asked how much it would mean to him to win at Hockenheim - something he has yet to do - he replied: "It is definitely one I want to tick off the list.

"Maybe it will rain on Sunday, so that could help us. In dry conditions [though] I think it will be difficult to match Mercedes," he added.