Ferrari and McLaren stand to lose millions as a result of the collapse of the Marussia Formula One team, the Sunday Telegraph newspaper reported.
Struggling McLaren can still win a race this season and next month's Belgian Grand Prix could be their best bet, according to Jenson Button.
Speculation is rife that Juan Pablo Montoya will leave Williams-BMW and replace David Coulthard at McLaren next season.
Former champions Renault hit back at allegations of spying on Friday, saying their cars were untainted by any data from Formula One rivals McLaren. They also said that a former McLaren engineer who joined them in September last year had been suspended as soon as they became aware that he had brought confidential technical information with him.
Dominant Formula One leader Max Verstappen ran away with the Hungarian Grand Prix by a mighty margin on Sunday as Red Bull made history with a record 12th victory in a row.
World champion Max Verstappen took the first pole position of the Formula One season in Bahrain on Friday.
Buoyed by the lucky break that gave them a one-two finish in Turkey, McLaren's Lewis Hamilton and Jenson Button believe they can beat Red Bull on their own merits in this weekend's Canadian Formula One Grand Prix.
British rookie Lewis Hamilton could become the greatest driver Formula One has ever seen, according to McLaren chief executive Martin Whitmarsh.
Red Bull's triple Formula One world champion Max Verstappen won a US Grand Prix sprint race from pole position on Saturday after an early challenge from Mercedes's Lewis Hamilton.
Britain's Lewis Hamilton won the Canadian Formula One Grand Prix in a McLaren one-two with team mate Jenson Button on Sunday.
McLaren risk heavy sanctions, including the possibility of being excluded from the Formula One championship, after being summoned to face charges of lying to stewards at the season-opening Australian Grand Prix.The International Automobile Federation (FIA) said in a statement on Tuesday that it had charged the team of world champion Lewis Hamilton with breaching the international sporting code on five counts.
McLaren have no "Plan B" in place should Lewis Hamilton decide to leave the team at the end of the season and will speed up contract negotiations in the next few days to try to make sure he stays.
Images from the new Mercedes McLaren car launch, on Friday, by Lewis Hamilton and Jenson Button.
Formula One will have a record 24 races in the season that starts in Bahrain on Saturday.
Mexican team mate Sergio Perez qualified second fastest in a front row lockout for Red Bull, 15 years after the team took their first win at the Shanghai International Circuit with Sebastian Vettel.
McLaren played down a report on Sunday that their world champion Lewis Hamilton had threatened to quit Formula One in disgust over a lying controversy.
McLaren's Spanish test driver Pedro de la Rosa, who will not compete on Sunday, was the fastest but it was Renault's championship leader and compatriot Fernando Alonso who came closest to his time.
Formula One leader Max Verstappen won the British Grand Prix on Sunday as Red Bull stayed unbeaten in 2023 and equalled McLaren's 1988 record run of 11 victories in a row.
Lewis Hamilton grabbed McLaren's 150th Formula One pole on Saturday in a Spanish Grand Prix qualifying that left him well-placed to become the fifth different winner in five races.
McLaren stepped up their preparations for the new Formula One season with the track debut of their new MP4-21 car.
Lewis Hamilton put his McLaren on pole for the Malaysian Grand Prix on Saturday, as the team locked up the front row of the starting grid for the second race in a row.
All-rounders Ryan McLaren and Wayne Parnell were named in South Africa's 15-man squad on Wednesday for the three-match Test series against Australia starting on February 12.
McLaren said on Sunday they intend to appeal against a stewards' decision that stripped their Formula One championship leader Lewis Hamilton of victory in the Belgian Grand Prix. It is not clear whether any appeal would be allowed under the sport's rules, however.
The Spaniard told reporters at the US Grand Prix, where he was ninth fastest in a wet first practice on Friday, that McLaren needed to find another two and a half seconds of pace to match Mercedes.
McLaren unveiled their 2013 Formula One car with a literal blast from the past on Thursday as they celebrated 50 years in grand prix racing and looked forward to returning to the top this season.
Honda's new V6 turbo hybrid Formula One engine will make its track debut at Silverstone on Friday in the back of a McLaren development car.
Britain's 2009 world champion Jenson Button has signed a new multi-year contract with McLaren, the Formula One team announced on Wednesday.
McLaren have had to fly in replacements from Britain after four members of their Formula One team fell sick at the inaugural Indian Grand Prix.
Jenson Button has hit out at former teammate Lewis Hamilton's description of McLaren as a team where he felt suffocated on Thursday, admitting the drivers work hard but describing the freedom they enjoy as "phenomenal".
Ferrari's Charles Leclerc qualified fourth with Mexican Sergio Perez, Verstappen's closest title rival and team mate but a massive 151 points adrift after 15 of 22 rounds, fifth and 0.773 off his team mate's pace.
McLaren could barely conceal their delight on Saturday at going from a team in crisis to having Lewis Hamilton and Jenson Button on the front two rows of the grid with pretensions of winning the Australian Grand Prix.
Lewis Hamilton said he had let down McLaren after a starting grid error cost him and his team the Formula One championship lead in Bahrain on Sunday. The Briton finished 13th at Sakhir and was overtaken in the standings by Ferrari's world champion Kimi Raikkonen.
Lewis Hamilton celebrated his 23rd birthday on Monday by showing off the car that McLaren hope will take him to the Formula One title as the youngest champion this season.
McLaren aim to overtake glamour team Ferrari as Formula One's leading brand within the next 20 years, team principal Martin Whitmarsh said.
