The Jerez test in numbers – who went fastest, and furthest

As ever with pre-season testing, reading too much into the timesheets – particularly after just four days of running at Jerez – can often be misleading, as differing objectives and priorities blur the picture of which teams have hit the ground running in 2015.

But while there is still an awful lot to learn, a close inspection of the data from the first four days of the new season does make for interesting reading