Mark Webber: The engine went at the end of P2, but it was a high mileage engine, so we were expecting it to be on the edge. There's no hand brake on a F1 car so when I stopped I was trying to tell them to put something behind the wheel to stop the car rolling back. A frustrating thing to explain from within the car! We need to analyse the new F-duct system tonight, we know it's not the most straightforward of systems. The guys have done a phenomenal job to get it to this point and we're happy with how it went today but, whether we race it or not, we don't know yet.

Sebastian Vettel: It was a reasonable day – and quite tough as we introduced the F-duct. We still need to do some fine tuning, but it looks good. I think McLaren looks very competitive here, their system seems to be working well and they seem quite a bit quicker than everyone else on the straights. You can make up time in the corners, but there are quite a few straights joining them. We'll see if we keep our system on. It feels more natural now with the new chassis, it was good to change it and overall I was happy with the balance of the car.

To check out our Istanbul practice gallery, click here