A “litany of issues” have prevented Renault from achieving meaningful running with their Energy F1 power unit, according to their deputy managing director Rob White.
Felipe Massa says morale is high at Williams following a productive end to the team’s first test of the year.
Adrian Sutil believes the new generation of F1 cars aren’t quick enough – but expects designers to make rapid progress.
Lewis Hamilton says Mercedes achieved everything they aimed to do in the first test of the new season.
Daniel Ricciardo says the pressure is not on Red Bull despite their early end to testing at Jerez.
Felipe Massa finished his first test for Williams on a high by setting the fastest time on the final day of running
Williams chief test and support engineer Rod Nelson believes the team are starting to get to grips with the reliability challenge presented by the new 2014 cars.
Red Bull expect to have their cooling problems solved in time for the second test of the year at Bahrain.
Fernando Alonso says the pleasure of driving Formula One cars hasn’t been diminished by the cut in performance this year.
An hour spent watching the cars tackling turn two on the morning of the third day at Jerez threw into sharp focus how far on each of the teams are with their 2014 programmes.
Pictures from the final day of F1 testing at Jerez.
Follow day four of testing from Jerez on F1 Fanatic Live.
In the round-up: Michael Schumacher is beginning to have his sedation reduced in an attempt to gradually bring him out of an induced coma.