Head of performance engineering Rob Smedley says the team expected to be at least on par with Ferrari's pace at Japanese Grand Prix.
Valtteri Bottas happy to beat Ferrari to third on the grid but says Williams needs a 'perfect job' at Japanese Grand Prix to maximise its result.
Valtteri Bottas said he did not run in second practice at the Japanese Grand Prix in order to save his intermediate tyres in case of rain later in the weekend.
Felipe Massa reveals Nico Hulkenberg sent him a text message after the Singapore Grand Prix to apologise for the collision between the two.
Valtteri Bottas says Williams is expecting improved results in 2016 and laments the bad luck which has led to a 'mixed' season this year.
ESPN rounds up the best radio soundbites from the Italian Grand Prix.
Williams driver crossed just three tenths ahead of team-mate Valtteri Bottas after resisting a late attack to return to the Monza podium.
Williams says it was not interested in selling Valtteri Bottas to Ferrari for 2016, but admits negotiations about the driver's future did take place.
Valtteri Bottas and Felipe Massa will remain team-mates for a third season after confirming they have been kept on at Williams for 2016.
Valtteri Bottas was left "very disappointed" by the mistake at his first pit stop at the Belgian Grand Prix, which saw his car fitted with three soft tyres and one medium.
Williams driver recorded his best qualifying performance of the season in a tight session which saw six drivers separated by just two tenths.
Felipe Massa expects Williams' driver line-up to remain unchanged in 2016 now Ferrari has confirmed Kimi Raikkonen for another season.
Valtteri Bottas says the news that Kimi Raikkonen has signed for Ferrari will make his life easier as he no longer has to deal with speculation about his future.
Williams head of performance engineering Rob Smedley says his team must admit it has problems if it is to address its car's weaknesses.
Felipe Massa believes he will remain at Williams next year even though his future has not been confirmed.
Valtteri Bottas says the Hungaroring is exposing Williams' lack of downforce and cornering grip after he qualified sixth on the grid for Sunday's Hungarian Grand Prix.
Felipe Massa thinks F1 should consider closed cockpits 'if it's better for everybody' following the death of Jules Bianchi.
Valtteri Bottas claims he does not know where the rumours about a 2016 deal with Ferrari have come from and says his contractual situation has not changed since the last race.
Romain Grosjean and Rob Smedley play down impact on restrictions on clutch point and radio chatter on formation laps, which is set to be imposed in Belgium.
Brazilian yet to extend his Williams deal into 2016 - though he sees no reason not to do so - and admits he has options to consider whenever his F1 career draws to a close.
Despite being beaten to the podium by Ferrari at Silverstone, Rob Smedley thinks the early stages of the race proves Williams is now 'clearly the second quickest car' behind Mercedes.
FIA race director Charlie Whiting will lay down the law to teams in Budapest after Mercedes' admitting to trying to fool Williams with 'fake' pit stop at British GP.
Valtteri Bottas said he missed out on his best opportunity to pass team-mate Felipe Massa at the start of the British Grand Prix because he was told to hold station by the Williams pit wall.
Rob Smedley explains the thinking behind his team's strategy at the British Grand Prix, which ultimately saw its two cars slip from first and second to fourth and fifth.
Does not be used as a buffer by Williams to protect Felipe Massa's podium with the two Ferraris ready to pounce behind.
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