Red Bull Team Boss Christian Horner says he is concerned by Renault's focus on reliability on their engines ahead of the 2018 Formula 1 season. read more »

Christian Horner has urged the FIA to close any loopholes regarding oil burning, saying there are still ways to exploit it during qualifying. read more »

As he cites Mercedes and Ferrari as working together, Red Bull boss Christian Horner calls on Liberty to show who's boss. read more »

Red Bull boss Christian Horner has urged the FIA to go further in clamping down on teams burning oil in qualifying read more »

Mercedes and Ferrari are "working as one team" to shape the future of F1 for their own benefit, according to Red Bull boss Christian Horner. read more »

Red Bull boss Christian Horner believes Mercedes and Ferrari are working together to shape Formula One's landscape in their favour. read more »

Red Bull F1 chief Christian Horner feels the FIA needs to close more loopholes that are being exploited with oil burn in qualifying. read more »

Red Bull team principal Christian Horner is pessimistic about the team's title chances this season in the face of Mercedes' "quite frightening" power unit. read more »

Red Bull boss Christian Horner has said he is struggling to tell Mercedes and Ferrari apart in negotiations over the future of Formula 1. read more »

Mercedes and Ferrari are "working as one team these days", according to Red Bull team principal Christian Horner, as Formula 1's political battle reignited at... read more »

Red Bull boss Christian Horner says he is concerned Formula 1 engine supplier Renault will start the 2018 season in a compromised specification for reliability read more »

Red Bull's team principal wants to see F1 bosses provide teams with an ultimatum over the series' future. read more »

11 is the score to beat - will Ferrari boss Maurizio Arrivabene seize top spot from Christian Horner? Time to find out... For more F1® videos, visit http://www.Formula1.com... read more »

Christian Horner believes Liberty Media and the FIA should decide F1's rules, and then it is up to the teams whether they want to race under those conditions. read more »

Christian Horner believes that Pirelli's new 2018 F1 tyre range will encourage more exciting races through pit stops. read more »

Aston Martin will sponsor Red Bull Racing in 2018 but Christian Horner feels more needs to be done to improve the on-track action in Formula 1 to attract more new sponsors to... read more »

Despite Christian Horner informing the world that he wants to build a Red Bull team around Max Verstappen, Daniel Ricciardo insists he has no concerns about favouritism. read more »

Daniel Ricciardo says Red Bull team principal Christian Horner reassured him he will have a fair fight with Max Verstappen in the 2018 Formula 1 season after favouritism concerns read more »

Red Bull boss Christian Horner believes it is a "great thing" that the team can assess their options when choosing their next engine supplier. read more »

Red Bull team principal Christian Horner says it would be horrible to see the 2018 Formula One world championship decided on engine penalties, following the sport's move... read more »

Red Bull team principal Christian Horner believes Pirelli's revised range of Formula 1 tyres for 2018 will prevent the "worst scenario" of one-stop grands prix read more »

Despite three retirements in the final four races, Daniel Ricciardo remained in a positive frame of mind, according to his Red Bull Team Principal Christian Horner. read more »

Both Max Verstappen and Daniel Ricciardo are evenly matched says Red Bull Team Principal Christian Horner. read more »

Find out how Red Bull team principal Christian Horner coped with our F1 questions in the Grill The Grid hot seat... For more F1® videos, visit http://www.Formula1.com Like F1®... read more »

Max Verstappen upped his game during the 2017 Formula 1 season, particularly in qualifying, according to Red Bull team principal Christian Horner read more »