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 topped the timesheets on the final day of testing in Barcelona, but Lotus were more impressed by the E23's reliability... read more »

It might not look like it at the moment, but Jenson Button reckons McLaren will have a winning car come the end of the 2015 season. The Woking outfit is struggling to overcome... read more »

Sebastian Vettel is unconcerned by his drop down the timesheets in Barcelona on Saturday as he continues to be impressed by the reliability of his Ferrari read more »

Pastor Maldonado edges out Max Verstappen on the third day of testing at Barcelona, as McLaren's reliability struggle continues. 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 »

Fernando Alonso is unsure whether the McLaren-Honda Formula 1 team will be "completely ready" for the first race of 2015, because of reliability dramas that have... 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 »

Pastor Maldonado believes Lotus have taken a "huge step forward" in terms of reliability after an excellent day one in Barcelona... read more »

Pastor Maldonado says he is buoyed by the "huge step forwards" Lotus has made with the reliability of its E23 Hybrid, despite stopping out on track twice on the first... read more »

Testing is a particularly hard thing to judge. It's almost impossible to come up with an accurate pecking order, even by the third and final test, but there are a couple... 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 »

Max Verstappen feels if Toro Rosso get the reliability right this season, they can be regular top-ten finishers... read more »

The fact it was Ferrari and Sauber not Mercedes that topped the times in Jerez has led some to believe that the gap has closed, but Mercedes designer Aldo Costa has warned... read more »

McLaren are confident they can get two cars to the finishing line of the Australian Grand Prix in March, despite a number of reliability troubles in Jerez. Whilst engineering... read more »

Whilst Ferrari and Sauber may have topped the times during the opening pre-season test in Jerez last week, speed trap data shows they might not have closed the gap to Mercedes... read more »

Renault insists their "performance level is where they expected" despite several reliability problems in the first test in Jerez... read more »

Yasuhiso Arai believes Honda will fix their reliability issues before the next test at Barcelona with new parts that are a "step up"... 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 »

Formula 1 returned to action this week at Jerez in southern Spain, with eight teams putting the first miles on their 2015 machines. Here's how each team fared across the... read more »

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 »

McLaren are adamant that as long as they can get on top of their reliability issues, their Honda-powered car will have the performance needed... 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 »

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 »