Mercedes engine boss Andy Cowell believes Honda will be a big threat as it starts to get on top of the problems it faced last year.
Honda is sticking by its decision not to employ outside help from rival teams to help rectify the issues it faced with its power unit on its return to F1 last year.
Former Olympic rower and race engineer to Jenson Button, Tom Stallard, tells Kate Walker how he became involved in F1 and gives an insight into life in the garage.
The first Formula One action of 2016 got underway in Paul Ricard on Monday as Pirelli conducted a wet weather test with 2015 cars.
Sebastian Vettel, Kimi Raikkonen, Daniel Ricciardo, Daniil Kvyat and Stoffel Vandoorne to feature in two-day test of Pirelli's wet tyre.
Carlos Sainz says he learned a lot from observing fellow Spaniard Fernando Alonso and how the McLaren driver dealt with a difficult 2015.
"About 110" staff worked through the winter break to ensure McLaren's 2016 car got back on schedule after alterations to the start date of this year's season.
McLaren to launch 2016 challenger, the MP4-31, on February 21, the day before winter testing begins at Barcelona's Circuit de Catalunya.
Eric Boullier says "the bad" of 2015 "will be good" for McLaren this season after it had to learn humility and put a brave face on its struggles with Honda power last year.
The three teams will test different prototypes of the blue-striped wet weather tyre over two days of running at the French circuit.
Maurice Hamilton pays tribute to the late Tyler Alexander, "the absolute definition of a true Racer", after he passed away aged 75.
Leading F1 figures including former world champions Alain Prost, Jenson Button and Mario Andretti have led the tributes for the late Tyler Alexander, who has passed away aged 75.
Tyler Alexander, one of the men who helped form the iconic team with Bruce McLaren in the 1960s, has died.
Jenson Button thinks it is possible for Honda to catch up to Mercedes over the winter and emulate Ferrari's remarkable 2015 turnaround next year.
Kevin Magnussen claims McLaren told him late last year a 2015 seat alongside Fernando Alonso would be his and that Jenson Button was prepared to retire.
McLaren-Honda will continue with its "size zero" approach to packaging its power unit next year.
Hugo Hakkinen, son of former double world champion Mika, calls time on karting to focus on football career.
Ron Dennis laughed to himself when he saw Fernando Alonso sunbathing during qualifying in Brazil and says the Spaniard has never stopped working hard since re-joining the team.
Australian driver thinks Fernando Alonso's switch from Ferrari to McLaren should be a cautionary tale for any driver tempted to switch teams after a bad season.
CEO Ron Dennis insists he is still the man to lead McLaren back to the pinnacle of F1 and thinks the team is still paying for mistakes it made in 2013.
Fernando Alonso says he is prepared for 'a little bit of tension' with McLaren team-mate Jenson Button if the team returns to competitiveness in 2016.
McLaren has extended its partnership with Santander until 2020, a sponsorship boost after recently losing long-time partner TAG Heuer to rivals Red Bull.
Fernando Alonso thinks his public criticisms of McLaren's engine supplier Honda have helped the team's prospects for 2016.
McLaren boss Ron Dennis insists his team has not been weakened by the loss of long-standing sponsors such as TAG Heuer, which has switched to rivals Red Bull for 2016.
Fernando Alonso says he does not know whether McLaren will be fighting for the championship, for victories or just for the occasional podium with Honda in 2016.