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 »

Verstappen sits 14 points back from Leclerc heading into the final two races of the 2019 season after a big swing in form since the summer break. read more »

Sebastian Vettel was at somewhat of a loss to explain what caused his sudden, early DNF at the United States Grand Prix. Vettel’s race day in Austin, Texas quickly unravelled... read more »

The Ferrari duo offer a bleak forecast for their raceday at the United States Grand Prix - but believe they'll be in the fight for pole today. read more »

Formula One tyre supplier Pirelli predicts that the two-stop strategy will be the best way to complete today's Mexican Grand Prix given the high tyre wear experienced... read more »

Mick Schumacher has said he doesn't know how long it will be before he makes the step up from Formula 2 to Formula 1 read more »

Mick Schumacher admits he is not sure when he will make the step up from Formula 2 to Formula 1, whether it be for the 2020 season or after, read more »

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 »