Force India's Sergio Perez feels the big three are not as far ahead as they have been and is looking forward to the new season.
McLaren racing director Eric Boullier feels his team may not be best prepared for the Australian Grand Prix.
Mercedes' driver Lewis Hamilton says the team will need to improve once again this year if they are to remain the best in Formula 1.
Daniel Ricciardo feels he would be among the contenders for the Formula 1 title given a better car to drive.
Valtteri Bottas does not want his 2018 season hindered by talks over a new deal at Mercedes so wants a deadline put in place.
Toto Wolff says Mercedes are ready to start "climbing Mount Everest" as they attempt to win a fifth consecutive Formula 1 title.
Charles Leclerc is refusing to consider a potential future with Ferrari and insists he just wants to perform for Sauber.
Mercedes star Lewis Hamilton insists he is not going to rush into signing a new contract as he gears up for the new campaign.
Lewis Hamilton says he believes he can race until 2020 as he prepares to launch a defence of his title.
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FIA president Jean Todt says he is open to expanding the Formula One calendar going forward, with Argentina and Vietnam possibilities.
Haas driver Romain Grosjean hopes the new Halo driver protection system will be jettisoned as he is not a fan.
Red Bull star Daniel Ricciardo hopes he can impress at the season-opening Australian GP after failing to finish last year.
Ferrari's Sebastian Vettel says his rivalry with Mercedes star Lewis Hamilton is confined to the racetrack.
Valtteri Bottas feels he is capable of winning the Formula 1 title this year after solid preparations for the upcoming season.
Renault brand ambassador Alain Prost won't dismiss the chances of the French team returning to the Formula One podium this year.
Red Bull boss Christian Horner says there are other options available to the team if Daniel Ricciardo leaves.
Lewis Hamilton has played down speculation over his future and insists he is confident of extending his stay with Mercedes.
Williams' 2018 Formula 1 car has issues regarding "corner entry and stability", technical boss Paddy Lowe has revealed.
Valtteri Bottas says he will have a new mindset for this season and not worry about comparisons to Lewis Hamilton.
FIA president Jean Todt says is still taken aback by criticism of the new halo system introduced to Formula One this season.
Ferrari's Sebastian Vettel feels testing times set by Mercedes and Red Bull may not be an accurate guide of pace due to the tyres used.
McLaren star Fernando Alonso says he has "unfinished business" ahead of the 2018 Formula 1 campaign.
Reserve driver Robert Kubica says he is happy and looking forward to the new season with Williams.
Eric Boullier admits that McLaren must take risks in 2018 as they attempt to challenge at the front of the grid.
Red Bull chief Christian Horner has hit back at Renault's deadline of May to decide if they will continue using their engines in 2019.
Red Bull look better prepared for this Formula 1 season than they did 12 months ago, according to Daniel Ricciardo.
Kimi Raikkonen has been impressed by Ferrari's SF71H after the pre-season testing at the Circuit de Catalunya in Barcelona.
Mercedes star Lewis Hamilton wants more teams to be involved in the battle for the Formula 1 title this season.
Valtteri Bottas does not believe that his Mercedes team are a full one second per lap quicker that the others.
Lewis Hamilton says Ferrari and Sebastian Vettel's impressive pre-season so far does not intimidate him ahead of the 2018 F1 campaign.
Fernando Alonso broke down inside the first hour of Friday's morning session as McLaren endured another disastrous start to testing.
Red Bull motorsport advisor Dr Helmut Marko says the team have agreed a time frame with Daniel Ricciardo to agree a new deal.
Sebastian Vettel has set a new unofficial lap record in Catalunya on the penultimate day of pre-season testing with Ferrari.
McLaren have said that their poor pre-season testing performances do not indicate a crisis, despite switching engine suppliers.
Renault's Carlos Sainz Jr believes he took a "big step" forward in the second day of pre-season testing at Barcelona on Wednesday.
Despite setbacks, McLaren’s racing director Eric Boullier is remaining upbeat about testing, although he has pleaded for more time.
Colombian Tatiana Calderon is hoping to use her new role as Sauber's test driver to continue her development.
Sergio Perez feels Fernando Alonso has an 'impossible' aim of combining Formula 1 with the full world endurance championship.
Sergey Sirotkin is confident he will prove his critics wrong by impressing for Williams in the 2018 season.
Red Bull's Max Verstappen says the issues that impacted his car during the Barcelona tests were nothing more than 'hiccups'.
Haas driver Kevin Magnussen insists he has no plans to alter his aggressive style in 2018 regardless of what rival drivers may think.
Valtteri Bottas believes Mercedes team mate Lewis Hamilton is beatable and has vowed to ramp up the pressure in 2018.
Mercedes' Valtteri Bottas felt this week's testing was beneficial to the team despite the poor driving conditions.
Lewis Hamilton feels it is inevitable that Red Bull's Max Verstappen will go on to become a Formula 1 world champion one day.
Carlos Sainz is only focused on the new F1 season on loan with Renault and he's not concerned about a possible future with Red Bull.
Mercedes' W09 car feels better than last year's, according to Lewis Hamilton after testing it ahead of the Formula 1 season.
Mercedes boss Toto Wolff has told Valtteri Bottas he must impress in the opening weeks of the season to secure a new contract.
Lewis Hamilton's claims that there could be 'issues' with Sebastian Vettel in the 2018 Formula 1 season have been backed by his rival.
Toro Rosso say they have been given cause for optimism that their switch from Renault to Honda power units will be a success.
Daniel Ricciardo says he wants to have a "powerful say" when talks over a new Red Bull contract start.