Red Bull has entered next year's Formula One world championship even though it is still lacking an engine supply deal for 2016. Red Bull had threatened to quit the sport... read more »

Susie Wolff will quit motorsport at the end of the 2015 season. read more »

Daniel Ricciardo admits he would be interested in a switch to NASCAR if Red Bull quit Formula 1 at the end of this season... read more »

Bob Bell is the latest to quit Manor with the technical consultant leaving the team just a few months after he joined... read more »

Manor Formula 1 bosses John Booth and Graeme Lowdon are set to quit the team at the end of the season. read more »

Bernie Ecclestone has warned Red Bull that he is not willing to let it quit Formula One without being dragged through the courts. Red Bull was granted preferable terms in its... read more »

Sebastian Vettel says he doubts former team Red Bull will end up leaving Formula 1, despite multiple threats to quit the sport and its current lack of an engine… read more »

Red Bull could be forced from F1 because their rivals fear supplying engines to them, says chief technical officer Adrian Newey. read more »

Max Verstappen says he is concerned about his Formula One future despite Red Bull's threat to quit the sport. Verstappen drives for Red Bull's junior team Toro Rosso,... read more »

Mercedes' Lewis Hamilton tells Red Bull to "keep pushing" and not "give up" after the team threatened to quit Formula 1. read more »

Reigning world champion Lewis Hamilton cannot understand why Red Bull would consider quitting Formula One and has urged his rivals to put their heads down and work harder. Red... read more »

Daniel Ricciardo believes a year-old Ferrari engine next year would put Red Bull in better shape than it is with its up-to-date Renault this season. Red Bull has threatened to... read more »

Lewis Hamilton says he finds it 'odd' that Red Bull could be leaving Formula 1 less than two years after winning the world title. read more »

Daniel Ricciardo does not fear being left without a drive next year, despite Red Bull's continued threats to quit the sport. Red Bull is currently without an engine... read more »

Pirelli says it would have to "think very heavily" about its future in Formula One if Red Bull follows through with its threat to quit. Red Bull is reaching a... read more »

Romain Grosjean says the role Ferrari is playing in Haas' F1 effort played a part in his decision to quit Lotus. read more »

Christian Horner says Red Bull is now in a critical situation as it approaches the end of September without an engine supply deal in place for 2016. Red Bull has threatened to... read more »

Mercedes boss Toto Wolff says three car teams remain an option for Formula One if Red Bull follows through on its threat to quit the sport. Red Bull is currently trying to... read more »

Christian Horner suggests threats from Dietrich Mateschitz that he will pull Red Bull out of F1 shouldn't be taken lightly... read more »

Jenson Button says he will make a mutual decision with McLaren before confirming his plans for 2016 - and Sky F1 pundit Martin Brundle believes the former world champion... read more »

Christian Horner expects Red Bull's divorce from Renault to be finalised in the "coming days" but has reiterated that their threat to quit F1 is real. read more »

Formula 1 bosses don't really understand what impact it would have on the sport if Red Bull and sister team Toro Rosso were to quit, according to Helmut Marko. Marko... read more »

Red Bull says it will be left with no option but to quit F1 if a deal to race Ferrari engines cannot be reached. A day after Red Bull-owned publication Speedweek ran an article... read more »

Red Bull motorsport consultant Helmut Marko reiterates Red Bull threat to quit F1. read more »

Red Bull motorsport advisor Helmut Marko has re-iterated their threat to quit F1 at the end of the season if no competitive engine is available. read more »