Christian Horner is confident reliability will play a "key role" in deciding the 2021 Formula 1 title race. read more »

Mercedes boss Toto Wolff has explained the reliability concerns that led to Lewis Hamilton taking a new engine at the Turkish GP, and is not ruling out another switch and grid... read more »

Christian Horner has suggested Mercedes is trading reliability for performance after Red Bull's title rivals sudden upturn of form in recent races. read more »

Mercedes deemed there were no reliability or performance benefits in changing all of Lewis Hamilton's engine components ahead of this weekend's Turkish Grand Prix. read more »

Red Bull believe Formula 1 rival Mercedes was left with no choice but to change Lewis Hamilton's engine at the Turkish Grand Prix due to its concerns about reliability.  read more »

With the world champion team concerned about the risk of a reliability failure in the closing stages of the championship, it has opted to fit Hamilton with a fresh internal... read more »

Alpine says its ongoing points streak in Formula 1 shows the quality of its team work, and its reliability gains, through the course of 2021. Alpine holds fifth position in the... read more »

Mercedes have admitted that Lewis Hamilton taking an engine penalty for this weekend's Turkish GP is a "possibility" as they look to avoid reliability failures... read more »

While Mercedes hopes to get through the rest of the season without needing a fresh power unit for championship leader Lewis Hamilton, there are growing concerns that it may... read more »

Mercedes has "question marks" over the reliability and performance of its Formula 1 engine after encountering further issues across the Russian Grand Prix weekend. read more »

The Japanese manufacturer is helping Red Bull in its fight with Mercedes for the world championship this year, ahead of its withdrawal from grand prix racing at the end of the... read more »

That Red Bull is on a roll at the moment is obvious - we can measure its advantage not just in terms of lap times and race results, but also in the quantity of innuendo... read more »

Red Bull Racing driver Max Verstappen will race with a fresh internal combustion engine after the team's Japanese engine supplier Honda detected a reliability problem on... read more »

Max Verstappen will continue running his Silverstone engine in Hungary with Honda happy with the reliability after Friday's practice. read more »

Honda's F1 technical director Toyoharu Tanabe has insisted there has been no update to the performance of its power unit but ruled out the engines were being turned down... read more »

The Japanese manufacturer has helped Red Bull take wins in the last four grands prix, but it has been particularly strong since the French GP when Honda introduced its second... read more »

Christian Horner believes the 2021 title fight will be decided by reliability, the constraints of the budget cap and marginal gains. read more »

Sebastian Vettel's difficult start to life with Aston Martin continued at the Emilia Romagna GP with the four-time F1 world champion struggling for pace and reliability,... read more »

Red Bull team principal Christian Horner has conceded that reliability problems could be an Achilles heel for the team this season. read more »

Two races into the 2021 championship and the Honda-powered cars may be showing improved pace, but they are down on reliability. read more »

Red Bull need consistent reliability as well as Sergio Perez to be on the pace if they are to challenge Mercedes for the Constructors' World Championship this year. read more »

Honda's upgraded F1 power unit for the 2021 season will be boosted by a new fuel developed to increase reliability and performance.  read more »

McLaren team principal Andreas Seidl has praised the smooth integration of the Mercedes' power unit into the MCL35M after a reliable pre-season test in Bahrain. read more »

Sebastian Vettel has refused to blame Mercedes for Aston Martin's reliability troubles during F1 pre-season testing in Bahrain. read more »

Mercedes endured a troubled weekend of testing in Bahrain as reliability dramas and difficulties for both its drivers in finding a good balance left it on the back foot.By the... read more »