Marussia has given a belated testing debut to its 2014 Formula 1 challenger, entitled the MR03. read more »

Red Bull has ended its running early for the second successive day at the Circuito de Jerez. read more »

The first F1 pre-season test at Jerez is proving a nightmare for Red Bull with the world champions hit by a number of car problems. read more »

It seems working through the night to fix its problems hasn't quite done the trick for Red Bull, after Daniel Ricciardo could only manage half a lap before his RB10 ground... read more »

Red Bull's first test nightmare continued on Thursday at Jerez as the RB10 completed just half a lap before coming to a smoky halt while rivals Mercedes, McLaren and... read more »

After waiting over three hours for Red Bull to hit the track, Daniel Ricciardo managed just half a lap before grinding to a halt at Jerez. AUTOSPORT's F1 technical expert... read more »

Red Bull's problems in Jerez appeared to be going from bad to worse on Thursday when Daniel Ricciardo stopped on track just moments after their car had made its first... read more »

the rear of McLaren's innovative new MP4-29 has been the talk of the paddock in Jerez this week... read more »

Having seen its participation in the opening F1 group test delayed, Marussia is keen to get down to work with its new MR03.     read more »

James Allison believes Ferrari have a strong base for the upcoming season after Kimi Raikkonen showed some excellent pace in Jerez... read more »

The penultimate day of Jerez testing is upon us, with all nine teams set to switch their drivers. To keep you fully up to date with who is in action, GPUpdate.net has put... read more »

Jerez testing - day three live read more »

Jerez Test: Day Three - Live! read more »

The second day of the first test in Spain raised a few questions as the sport kicked into life after a quiet start. Little more than two months after the chequered flag fell in... read more »

Whilst Renault's issues have been the talking point of the day in Jerez, the first sight of the McLaren MP4-29 has also caused a stir. Whilst test times give a relatively... read more »

Nico Rosberg says it is vital Mercedes now maintain the mileage momentum built up with their W05 after enjoying a "great" Day Two recovery at Jerez. read more »

The best photos from day two of testing: Jerez read more »

Following Tuesday's farce, when the assembled teams managed only 93 laps between them, F1 put on a slightly better show on day two of pre-season testing. read more »

Sauber driver Esteban Gutierrez says he is enjoying the feel of the new power units after he completed his running in the first test at Jerez. Gutierrez conducted 53 laps at... read more »

Having not taken to the track at all on the first day, Jenson Button was encouraged by Wednesday's running for McLaren as he set the fastest time at... read more »

Renault's head of track operations Remi Taffin has admitted that the French engine supplier is facing problems, but is hopeful that the situation will improve for the... read more »

Renault is confident it will be able to fix the major issue it has been having with its Energy Recovery System batteries at the opening two days of the Jerez test by Thursday read more »

Jenson Button says that there was nothing unsettling about the performance of the McLaren MP4-29 on its first day of running at Jerez. Button missed the opening day of testing... read more »

Nico Rosberg was a happy man after the second day of testing at Jerez, and is confident that Mercedes' pre-season preparations are on the right track... read more »

Day two at Jerez was a case of more of the same for Red Bull, as their running was cut short for the second successive day... read more »