Lewis Hamilton says Mercedes' high mileage during testing is explained by its quest to improve its reliability from 80 per cent to 'in the 90s' read more »

The second pre-season test at Barcelona saw Romain Grosjean and Lotus top the timesheets, and Mercedes lead the mileage stakes, again. GPUpdate.net lists the key figures from... read more »

After two of the three pre-season tests it is clear that, in terms of reliability, Mercedes has a clear advantage. read more »

Romain Grosjean ended the second F1 pre-season test with the fastest time overall, but was happier with the reliability and mileage put on the Lotus E23 around the Circuit de... read more »

Romain Grosjean says he is pleased with Lotus' progress after setting the quickest time on the final day of the second pre-season test at the Circuit de... read more »

World Champion Lewis Hamilton says he is encouraged by the progress Mercedes has made in terms of reliability but warned that the squad can still improve. Hamilton completed... read more »

Max Verstappen hailed a "really positive day" after topping the mileage charts at the Circuit de Barcelona-Catalunya on Saturday. read more »

McLaren racing director Eric Boullier has admitted the team are 50 per cent behind their test schedule at the moment, but is also confident the car is a step ahead of last... read more »

Daniel Ricciardo led the mileage count and the timing screen on the second day of this week's test in Barcelona as Red Bull recorded its most encouraging day of 2015 so far read more »

Fernando Alonso will only be able to do limited mileage on Friday, after McLaren-Honda confirmed that a re-designed component will not arrive in Barcelona until Saturday. read more »

McLaren have been forced to end the first day of the second test early with Jenson Button completing just 21 laps during the morning. The team discovered a faulty seal on the... read more »

McLaren's MP4-30 got some valuable mileage at Barcelona this week with the team completing a couple of filming days... read more »

McLaren completed a day of filming on Monday for 'promotional purposes' at the Circuit de Catalunya in Barcelona ahead of the second pre-season test at the same... read more »

McLaren-Honda enjoys a day of filming at the Circuit de Catalunya ahead of the second pre-season test at the same venue. read more »

Renault are far more confident of a successful 2015 season following a successful Jerez test in which the engine manufacturer hit "almost all the objectives" they set... 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 »

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

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 »

Lewis Hamilton admits he is still getting used to Mercedes' new car, but is confident things will improve with more mileage... read more »

World Champion Lewis Hamilton hailed Mercedes' progress across the first pre-season test at Jerez. Hamilton set the third fastest time at Jerez and racked up 116 laps,... read more »

Force India now looks unlikely to take part in the second pre-season test in Barcelona with its 2015 car in a fortnight, due to "further delays". The... read more »