I know how many people have been working very hard for this and I would like to thank all of them. Crossing the finish line was a historic moment for the diesel technology.

I'm pleased to be part of the headlines today.

Audi had the courage to put such a young car into a race at an early stage. It paid off. I know how many people have been working very hard for this and I would like to thank all of them.

Crossing the finish line was a historic moment for diesel technology.

Today you can say Audi brought out a car that isn't a test car, but close to it. This engine was only white paper a few months ago.

Today Audi had the courage to bring out this car. It is a young project, and the engine was built from a scratch of white paper not too many months ago. I'm pleased to be around for this.

Yes, with Le Mans, obviously, the approach needs to be different. You have a race only once a year, so in the whole focus, the whole energy, you know that you cannot change the world and have a race two weeks later.

I don't see myself racing at 50 years old. I enjoy racing, and that has been my whole life. But one day I will take time to look at other things. I know that everything has an end date, even life, and I also have a family and there are other things to enjoy than trying to be first into the corner and fastest out.

The trick at Le Mans is to get the car 'in the window.' Everything is critical: the tyre pressure, the brake temperature, and that means you have to push the car a lot to get it into the window - it's about getting everything to work right and getting the car to flow through the corners.

Le Mans takes the best out of everyone. Winning is important but it's not everything. It's such a big and great event in motorsport. You do more kilometres in that one race than Formula One do in a season, and probably a higher average speed. We average about 220km/h including pit stops and cover nearly 5000km.