Jerez Wednesday: Vettel tops Buemi

Today was the final day of testing this year and both Red Bull drivers had good days, with Vettel quickest at the end of the session. Both drivers worked on evaluating various mechanical set-up changes in conjunction with the 2009 specification Bridgestone slick tires and the team leaves southern Spain with plenty of data and a good understanding of next season's rubber. The RB4s ran completely reliably all day and overnight work on Vettel's car meant it was more to his liking today.

At the end of the day, Vettel said. "We've had pretty smooth running at this test and have completed a lot of mileage before the end of the year. I think we've done everything we could here, learning about the tires and next year's regulations and hopefully we will start next year with a car strong enough to challenge the big boys."

For the third and final day of testing the BMW Sauber F1 Team used two interim cars, which were based on the 2008 chassis with some of the bodywork from the 2009 regulations. In Jerez the team came as close as could be to the test kilometers and sets of tires allocated for the 2008 testing season.

In the morning Christian Klien drove the KERS' equipped F1.08B. Working on different energy strategies, the team continued the development work as scheduled. "We made good progress today", Klien said. "We still have a lot of work to do on the KERS system. But the promising test results show we are moving in the right direction."

Robert Kubica in the sister car, but without KERS, tried numerous set-up solutions aiming to improve on the results from using the new slick tires. For the afternoon session, according to the plan, he switched to the KERS' equipped car, but due to a mechanical failure he had to abandon the scheduled program. Kubica then got back into the conventional F1.08B and continued testing for the rest of the day.

Today's Times
1. Sebastian Vettel RB4 – 05 1:16.617, Laps: 107
2. Sebastien Buemi RB4 – 02 1:16.998, Laps: 92
3. Robert Kubica BMW Sauber F1.08B-06 1:19.013 Laps: 100
4. Christian Klien F1.08B-03 1:19.066 min Laps: 38