Renault says fixes for its Jerez reliability worries having been put in place - which means that the next Formula 1 test in Barcelona will show off its true potential. read more »

Team principal Maurizio Arrivabene says Ferrari has rediscovered its team spirit and motivation following a positive week of testing in Jerez read more »

Renault was reassured by its performance at the opening test of 2015 in Jerez, despite numerous issues delaying Red Bull's progress read more »

Valtteri Bottas has not denied he might be looking to take Kimi Raikkonen's place at Ferrari for 2016. Raikkonen, who struggled last year, remains under contract to the... read more »

Jerez witnessed the track debut for the upgraded Renault power unit that will power Red Bull and Toro Rosso in 2015. read more »

Honda will introduce a host of upgrades to its latest Formula 1 engine for the next test at Barcelona to solve the reliability problems that it suffered at Jerez this week read more »

McLaren says it is unconcerned about the performance of its new Honda-powered Formula 1 car, despite a challenging start to pre-season testing. read more »

Ferrari Team Principal Maurizio Arrivabene believes that the Italian outfit's rivals are yet to reveal their true pace, following the first pre-season test at Jerez. read more »

Daniil Kvyat has faith that Red Bull engine partner Renault can make the step needed for the next Formula 1 test at Barcelona after frustrations at Jerez this week read more »

Pirelli proved pleased with the overall results of the first pre-season test at Jerez, seeing teams complete more mileage than last year, along with increased performance,... read more »

Jerez test was largely straightforward, says Pirelli, with generally positive comments from the drivers. read more »

Matt Morris insists McLaren's ongoing issues during pre-season testing in Jerez were 'small' but added up to limit overall mileage. read more »

Pirelli Motorsport Director Paul Hembery was happy with how the first pre-season test of the Formula 1 season went at the Circuito de Jerez, and ... read more »

Kimi Raikkonen led a Ferrari one-two in the first Formula 1 pre-season test of 2015 at Jerez, ahead of new team-mate Sebastian Vettel read more »

Pirelli motorsport director Paul Hembery called the four day test in Jerez a success thanks to the evolution in the Hybrid power units read more »

The first pre-season test at Jerez saw Kimi Raikkonen and Ferrari top the timesheets, and Mercedes lead the mileage stakes. GPUpdate.net lists the key figures from the four... read more »

While it would be fashionable to ladle further doom and gloom on McLaren-Honda's opening test, let's not forget the lessons of 2014. read more »

Daniil Kvyat is relaxed that Renault has a hold off the problems that hampered Red Bull's mileage during the first F1 pre-season test in Jerez. read more »

Lewis Hamilton praised his Mercedes team for the extensive mileage it was able to complete during the first pre-season test at the Circuito de Jerez. read more »

Max Verstappen completed another largely trouble-free day to end a successful first F1 test for both Toro Rosso rookies at Jerez. read more »

Whilst Ferrari team boss Maurizio Arrivabene is encouraged by his team's Jerez performance, he is certain that a number of rivals are sandbagging. Sebastian Vettel topped... read more »

Marcus Ericsson has denied claimed that Sauber's flying pace in Jerez was due to glory runs, adamant there is more pace to come... read more »

The first pre-season test is now over and Ferrari have emerged as a potential title challenger with Kimi Raikkonen topping the combined times, whilst Ferrari power locked out... read more »

Kimi Raikkonen ended the final day of testing on top for Scuderia Ferrari, but felt that the times set in Jerez mean very little compared ... read more »

Lotus driver Romain Grosjean was full of praise for the new Mercedes-powered E23 Hybrid after testing it for the first time at Jerez. read more »