United States GP: Sauber Saturday quotes

Kamui Kobayashi - 16th: "Without doubt the result is disappointing for us because after free practice we were expecting a better qualifying. I found the warm up of the tyres easier this afternoon, but still I could not find the peak performance for the tyres. I just don't know yet why this was. Tomorrow in the race it should be less of a problem to get the tyres to work, but obviously our grid positions will make it difficult to put in a good result."

Monisha Kaltenborn, Team Principal: "This qualifying result is a big disappointment for the whole team. We don't really understand what happened, because we couldn't match our lap times from free practice three. It's up to the engineers now to turn this round in the race."

Giampaolo Dall'Ara, Head of Track Engineering: "After free practice three we expected a lot more. We didn't make any major changes to the set-up of the cars, and we approached qualifying with quite a lot of confidence. However, both drivers reported a lack of grip. We gave them a higher number of laps to cope with the warm-up issues we had during the weekend, but it didn't produce the result we expected. We just didn't find the same level of grip and balance as we did in the morning. We will have to analyse the data very carefully to understand what went wrong. Certainly the race will be another story, but our grid positions are a clear disadvantage."