Red Bull boss Christian Horner explains why his side is remaining "cautious" about its F1 title chances and why it "cannot underestimate" Mercedes' power.  read more »

Red Bull boss Christian Horner says the squad "cannot underestimate" the size of its challenge as it tries to dethrone Mercedes but is buoyed by the "solid... read more »

Red Bull team principal Christian Horner said it would be "foolish" to discount Mercedes following pre-season testing. read more »

Red Bull team principal Christian Horner has warned it would be "foolish to underestimate" Mercedes despite outperforming its title rival in pre-season testing. read more »

McLaren team principal Andreas Seidl is refusing to underestimate the ability of Ferrari to make a late-season run and steal third in this season's constructors'... read more »

McLaren boss Andreas Seidl insists his team cannot afford to underestimate Ferrari's ability to "strike back" during the 2020 F1 season. read more »

McLaren cannot afford to underestimate Ferrari's ability to "strike back" despite its current Formula 1 struggles, according to team principal Andreas Seidl read more »

Ferrari didn't dominant pre-season testing like they did last year but Christian Horner says it would be "foolish" to underestimate the Scuderia. read more »

Red Bull team principal Christian Horner believes it would be foolish for them to underestimate Ferrari ahead of the upcoming opening race to the 2020 F1 season in Australia. read more »

Lewis Hamilton believes that casual Formula 1 fans "underestimate and undervalue" the amount of work that Mercedes go through in terms of race preparation and the... read more »

Toto Wolff: 'Dangerous' for Mercedes to underestimate F1 rivals read more »

Mercedes motorsport boss Toto Wolff says the team are ready to "start from zero again" following their 2017 success, adding they won't underestimate their... read more »

Red Bull Racing Chief hoping to provide Ricciardo with the 'tools to do the job'. read more »

Lewis Hamilton would be "very foolish to underestimate" Daniel Ricciardo in the F1 2018 world championship battle, according to Red Bull team principal Christian Horner. read more »

Lewis Hamilton may have underestimated the threat from new team-mate Valtteri Bottas in the 2017 F1 season, according to this week's F1 Report. read more »

Renault technical director Bob Bell says people outside his team do not understand how rundown its Enstone factory had become under its previous owners. Renault bought the... read more »

People underestimate how hard racing in the midfield can be - Carlos Sainz read more »

Toto Wolff refuses to discount Ferrari as a Mercedes rival despite its recent drop-off in form relative to Red Bull. read more »

Nico Rosberg has won the first three races of the 2016 season, but even he doesn't sound convinced he has what it takes to win the championship. When it was put to him... read more »

Lewis Hamilton says Formula One drivers should never underestimate the dangers they face when stepping into a car. The world of motorsport has been grieving the loss of Jules... read more »

Jenson Button is not going to 'underestimate' the challenges facing McLaren ahead of the Canadian Grand Prix. read more »

Daniel Ricciardo says he won't underestimate new team-mate Daniil Kvyat and also vowed not to change his approach... read more »

Don't underestimate Honda's technological muscle - Arai read more »

Valtteri Bottas believes it would be dangerous for Williams to underestimate the likes of Red Bull, Ferrari and McLaren ahead of Sunday's Italian GP... read more »

Damon Hill is backing Lewis Hamilton to secure his second F1 Drivers’ title this season, although he has warned the Mercedes man not to underestimate his team-mate,... read more »