Renault team boss Cyril Abiteboul is unsure Formula 1's decision to restrict engine modes from the Italian Grand Prix will have the intended consequences of hampering... read more »

Andy Cowell has been described as "mad as a box of frogs" for quitting Mercedes - as he admits he is unsure of his next challenge. read more »

Haas team principal Guenther Steiner admits it is difficult to calculate how much pace the down on power Ferrari is costing his team. read more »

Charles Leclerc says the possible ban on "qualifying modes" can "only be positive" for Ferrari, but he is unsure of any benefits. read more »

Pirelli's head of car racing Mario Isola said that his engineers need to quickly launch an investigation into the tyre issues that happened in the closing stages of... read more »

Max Verstappen says he's unsure how Red Bull will fare in relation to Mercedes at this weekend's British Grand Prix. read more »

George Russell is unsure Williams will be as competitive at Silverstone as it was in Hungary as the team continues its bid to overcome its race-trim struggles in the 2020 F1... read more »

Mercedes is unsure how well the 2020 car will handle upcoming warm-weather races, says technical director James Allison. read more »

Mercedes Formula 1 technical director James Allison has cautioned that there are still concerns in the camp about racing in hotter temperatures with the W11 read more »

Max Verstappen says the balance issues hurting Red Bull in Hungary are not down to the set-up of his RB16 Formula 1 car, but remains unsure of the cause read more »

Valtteri Bottas says "we start from zero" at this weekend's Styrian Grand Prix and says he is unsure why he has been historically strong at the Red Bull Ring.... read more »

Romain Grosjean admits he will miss Sebastian Vettel if 2020 proves to be the driver's final year in Formula 1. read more »

Sebastian Vettel says that he is unsure whether a Formula 1 title won in a ten-race season would mean as much as his existing four crowns. read more »

Haas team principal Guenther Steiner warns that a year without Formula 1 could result in his team being forced to drop off the grid for 2021. read more »

F1 teams are trying to convince the FIA to postpone the rule changes which are due to take effect next year, unsure of the ramifications of the on-going COVID-19 crisis. read more »

Linked to a switch to McLaren come 2021, Sebastian Vettel admits he really cannot say whether he would be open to a move to a midfield team. read more »

Ferrari heads to Melbourne unsure of where it is in the pecking order with Sebastian Vettel admitting pre-season testing didn't look great on paper. read more »

Mercedes team-mates Lewis Hamilton and Valtteri Bottas admit they are unsure whether the new DAS (Dual Axis Steering) system will be used at the upcoming Australian Grand Prix... read more »

Mercedes drivers Lewis Hamilton and Valtteri Bottas remain unsure whether or not the team will use its dual-axis steering system at the start of the 2020 Formula 1 season read more »

Mercedes technical director James Allison says the Formula 1 champions fear both Red Bull and Ferrari for 2020 and are unsure if any of next season's 22 grands prix will... read more »

Max Verstappen is unsure whether he and his team have enough pace to beat "very quick" Mercedes in Sunday's race. read more »

Teams bosses are not entirely convinced about the impact of 2021 regulations overhaul. read more »

Lewis Hamilton is unsure if Mercedes will manage to close the gap to Ferrari in qualifying for the Brazilian Grand Prix. read more »

Lewis Hamilton is unsure whether Mercedes can claw back the deficit to its F1 rival Ferrari in time for qualifying for the Brazilian Grand Prix. read more »

Red Bull team principal Christian Horner believes next season's title race could be the most exciting in Formula 1 for some time, but is unsure whether the thrills will... read more »