Valtteri Bottas said Williams is unsure what caused the damage to his engine cover which left a big hole in the bodywork during FP2 for the British Grand Prix read more »

Valtteri Bottas is unsure whether Williams can consistently challenge Mercedes for race wins, having taken the fight to Formula 1's dominant outfit at the Austrian Grand... read more »

Tyre supplier Pirelli admits more research needs to be done on the standing restarts rule which has been approved for 2015 read more »

The Toro Rosso Formula 1 team says it will investigate the rear suspension on Daniil Kvyat's car, following his dramatic retirement from the Austrian Grand Prix. read more »

Lewis Hamilton says he's "not sure" what caused him to spin out during qualifying for the Austrian GP... read more »

Fernando Alonso is refusing to rule out a podium result in Montreal but admits it is a "very ambitious" target... read more »

Fernando Alonso is unsure whether Ferrari can close the gap to Formula 1 pacesetters Mercedes at the Canadian Grand Prix, because development of his car has been inconsistent. read more »

Romain Grosjean says he is unsure of how Lotus will perform this weekend in Monaco as low speed corners are not the E22's strong point... read more »

Romain Grosjean says that he is unsure how next weekend's Monaco Grand Prix will suit the characteristics of his Lotus E22, as he bids to score points at the event for the... read more »

Fernando Alonso is unsure whether the Ferrari Formula 1 team's podium in the Chinese Grand Prix signals a breakthrough in its troubled 2014 season. read more »

Lewis Hamilton admits he is unsure of how strong he will be in tomorrow s Chinese Grand Prix after making a number of changes to his car overnight read more »

Fernando Alonso says he has not yet spoken to new Ferrari team principal Marco Mattiacci and remains unsure as to whether his new boss will be present at this weekend's... read more »

Gene Haas, whose American Formula 1 entry was recently accepted following the FIA's latest tender, says he ideally hopes to join the grid in 2015, but admits a decision... read more »

Kimi Raikkonen says he is sure Ferrari will catch Mercedes this season but is unsure if it will come soon enough to mount a title challenge     read more »

Mercedes driver and 2008 world champion Lewis Hamilton says the new season is the most unpredictable of his career. read more »

It's been a problematic start to the year for Sebastian Vettel in pre-season testing, and he admits he has little idea how Red Bull will fare in the first race of the... read more »

McLaren driver Jenson Button says he is unsure of the competitive order ahead of the start of the 2014 season, but believes that Mercedes and Williams could be the teams to beat. read more »

Rod Nelson believes Williams will have a reliable car in the 2014 Formula One season, although he admitted that he is unsure about its race pace... read more »

Williams has warned rivals that it has hit ambitious reliability targets ahead of the new Formula 1 season, even though it is unsure of its pace just yet. read more »

With Force India showing strong reliability but hiding its qualifying speed on Saturday, Nico Hulkenberg is unsure if it can match the pace of Williams and... read more »

Sebastian Vettel has admitted that he is not sure how long it will take his Red Bull team to fix its current issues. read more »

Fernando Alonso says he is encouraged by Ferrari's progress but stressed that he is unsure where the team sits in relation to their rivals. Alonso completed 122 laps on... read more »

During an exclusive interview with Crash.net, Paul Hembery admits the problems faced by Renault-powered teams means Pirelli is unsure how its tyres will work on those... read more »

Kimi Raikkonen is still unsure how competitive Ferrari is after eight days of Formula 1 pre-season testing in 2014 read more »

Nico Rosberg believes Mercedes are no closer to knowing where they are in the pecking than they were prior to the Jerez test... read more »