Testing Wrap-Up:

"Sauber enjoyed a strong showing throughout the four days, with this being their ‘weakest’ as it was the only one they did not finish in the top 2. They were forced to settle for third place as they sought to iron out any creases in the upgraded powertrain in the back of the new-look car. Ericsson and Nasr will leave Spain very content that they have a car that can cahllenge for points this year and not endure the problems that bugged the team throughout 2014.

McLaren managed 35 laps today as they edged closer to running the car at full power. A more positive day today saw a more upbeat crew start to pack up their equipment confident of success in the year ahead. Having two of the more experienced drivers on the grid will aid their development, as team member’s commented on the difference Alonso’s presence makes in the garage. The heir of confidence that surrounds the Asturian encourages those at Woking.

Red Bull had another poor day by their standards as an early stop and continued engine problems made their test “less than ideal” in the words of Daniil Kvyat. Some irony in the fact we had heard Christian Horner only a couple of weeks ago boasting of their unusual punctuality in delivering the chassis on time this year. However, with rumour of the car receiving significant upgrades before the next test in Barcelona and a planned upgrade after the flyaway races (first 4) things are reasonably positive for the Milton Keynes team.

A largely anonymous test for Williams saw them avoid the limelight and the headlines times. Nobody should be in any kind of doubt that they are in a strong position to repeat their success of 2014 and possibly even take 2nd place from Red Bull in the WCC. Without ever trying to push the FW37 to any kind of limit it is difficult to judge their progress, but with consistent aero tests being conducted, their focus for the test was clear. An aggressive rear end design in Jerez makes the car, in part, an experiment."

Ferrari can take great solace in the fact they were 1-2 for the fastest times in Jerez, with Kimi pipping Sebastian to the top spot by only a tenth of a second. With the power issues that troubled them last year they have clearly been able to operate with a higher downforce setup at the front end, which will suit both drivers as they both prefer the car this way. An important year for the Maranello based team as they look to prove that Fernando Alonso was not the driving force over the past 5 years and to bounce back to consistently being at the sharp end of the grid. With so much aero work being done carrying sensors behind the front wheels they seemed to focus on turn in to corners and with James Allison at the helm of the aerodynamics department they have every reason to be hopeful of a good season.

And finally, last year’s World Champions Mercedes sent out a warning to all their rivals with the 516 laps they completed, fueling rumours they may be even further ahead than last year. Therefore, they will enter the year as favourites after spending much of the final day working on the rear of the car. The flowviz paint was seen at the rear of the car previously as they look to work on the downforce of the W06. Predictably coy when speaking about their chances for the coming year, both Hamilton and Rosberg will know they are in a great position to push on from here.