Aware that the introduction of its latest spec engine will mean grid penalties, Honda is unsure exactly when to bring its latest power unit into play. read more »

George Russell is unsure if his Williams Formula 1 team can carry its Hungarian Grand Prix breakthrough into future races read more »

Costs, engine components and staff workloads are all a factor for team bosses as 2020 schedule looks set to comprise 22 races, the most in the sport's history. read more »

Sebastian Vettel admits it is "hard to say" where Ferrari stacks up against F1 rivals Mercedes and Red Bull after Hungarian Grand Prix practice. read more »

Italian, Antonio Giovinazzi, has admitted that he is still unsure of the causation of his accident that left him out of the British Grand Prix. read more »

Sebastian Vettel says he is unsure why he struggled for pace during qualifying for F1's British Grand Prix. read more »

Guenther Steiner admits Haas still are unsure to why their strong pace on a Saturday does not translate into good pace on a Sunday, with the team currently ninth in the... read more »

The Renault F1 team endured one of its most difficult race weekends of 2019. Anonymous races for both Nico Hulkenberg and Daniel Ricciardo at Austria resulted in a point-less... read more »

Alfa Romeo boss Fred Vasseur says his team has to "stay calm" about ending its Formula 1 points drought because its problems might not be solved read more »

Sebastian Vettel says he is unsure why he struggled so much during an "up and down" F1 qualifying session for the French Grand Prix. read more »

Lewis Hamilton's participation in the Canadian Grand Prix was in doubt after a hydraulic leak, according to Mercedes' Toto Wolff. read more »

Surprised Felipe Massa unsure if F1 will make Rio move read more »

Ferrari head into F1's final in-season test of the year at Barcelona on Tuesday unsure how long it will take to resolve their 2019 car's problems. read more »

Haas' Romain Grosjean argues the team must get on top of their tyre situation for the Azerbaijan GP. read more »

F1 is considering adding a Q4 to its qualifying format, but Horner is unsure it will be a change for the better. read more »

Lewis Hamilton concedes he'll take caution fighting against Charles Leclerc on track as he's unsure how the 21-year-old behaves in battle read more »

Mick Schumacher wants to step up to Formula 1 as a "complete racing driver" but does not know if that means he could make his debut as early as 2020 read more »

Kevin Magnussen says the pace of his Haas Formula 1 car in the Bahrain Grand Prix was "hopeless" and that he had no explanation for why it struggled for speed read more »

Alfa Romeo's Antonio Giovinazzi expressed his frustration in failing to make it out of Qualifying 1 for the Bahrain Grand Prix, and will start in sixteenth place. read more »

Bahrain may have three DRS zones for Sunday's race but don't ask Kimi Raikkonen if that will improve the racing. read more »

Sebastian Vettel says he is unsure of he will commit to Formula 1 in 2021 and beyond as mystery and intrigue continue to shroud the new regulations that Liberty Media will... read more »

While Chase Carey and Jean Todt claim that more teams will be good for F1, existing teams disagree. read more »

Toto Wolff says his Mercedes Formula 1 team cannot judge whether its Australian Grand Prix qualifying domination was an "outlier" or if it is truly that much faster... read more »

Max Verstappen is not ready to declare himself a real challenger for the 2019 title, despite Red Bull's outward confidence about the new partnership with Honda. After... read more »

Despite a sold pre-season in Barcelona, Kimi Raikkonen still remains unsure where Alfa Romeo stands heading to the opening round in Australia. read more »