Sainz himself has been candid about his indecision. He confirmed plans to hold a "crunch discussion" with Vowles during the summer break to decide his 2027 future, admitting he is still unsure whether he will stay .

The €30 Million Offer: Rejected or Nearly Signed?

Multiple outlets report that Williams has offered or is preparing a contract extension worth approximately €30 million per season — more than double his current estimated €13 million salary . The offer is described as a multi-year extension covering 2027 and potentially 2028, not a pure one-year deal .

But the paddock is split on Sainz's response:

• On August 13, Italian outlet Autosprint reported that Sainz rejected the €30 million offer and is now considering alternatives, reigniting speculation he could leave Williams after the 2026 season .
• Just two days later, on August 15, Spanish outlet Marca reported the exact opposite: that Sainz is close to signing an extension with Williams and that a deal represents a "massive vote of mutual confidence" .

This contradiction has not been resolved publicly, and it suggests negotiations are still highly fluid.

Why the 2026 Season Changed Everything

Sainz signed with Williams expecting a team on the rise. In 2025, his debut season, Williams finished 5th in the constructors' championship and Sainz took two podiums. The car was balanced and consistently just three or four tenths off pole .

2026 has been a disaster. Williams has fallen to 9th with just 11 points through 11 rounds . The FW48 has been plagued by being significantly overweight — up to 28kg over the limit at one point — and the team missed pre-season testing . Neither Sainz nor teammate Alex Albon has scored a point since the Barcelona-Catalunya Grand Prix .

Sainz's frustration has been raw and public:

• He called the season a "character-building year" and a "bit of an eye-opener," admitting the team's drop in performance was worse than expected .
• After a disastrous Hungarian GP, he told Marca the team is "very bad" right now .
• He stated his decision on whether to stay "depends on how quickly we manage to bounce back" and that he will only wait so long for Williams to become competitive again .
• In Austria, he admitted: "We don't have reliability, we don't have pace, we don't have a car capable of scoring points" .
• Martin Brundle, the former driver and Sky Sports pundit, described Sainz as having ended up "down a cul-de-sac" at Williams .

Vowles has acknowledged the scale of the rebuild, telling the Press Association it will likely be 2028 before Williams can give Sainz a race-winning car . That timeline is hard to reconcile with a driver who wants to win now.

The Red Bull Factor: Waiting on Verstappen

The single biggest reason Sainz is hesitating to sign a long-term Williams deal is the possibility of a seat at Red Bull. The situation is almost entirely dependent on whether Max Verstappen, who is contracted through 2028 but has reported performance clauses, decides to leave .

Multiple sources confirm Sainz is actively pursuing this option:

• His management has made contact with Red Bull Racing about a potential return .
• BBC analyst Andrew Benson reports that Sainz is "hoping" Max Verstappen leaves Red Bull so a seat opens up for him .
• Spanish outlet Marca notes that Sainz's path to Red Bull is "almost entirely contingent" on Verstappen deciding to move on .

But a Red Bull seat is far from guaranteed even if Verstappen departs. The team reportedly sees Sainz only as a "stopgap" candidate — their top target would be Oscar Piastri of McLaren, and they would only pursue Sainz if Piastri joins Audi instead . Some reports suggest Red Bull's interest in Sainz may not materialize until 2028 at the earliest .

This dynamic creates a strategic dilemma for Sainz: signing a multi-year Williams extension now could block him from a Red Bull seat if Verstappen departs for 2027 or 2028. Keeping his options open — either through a shorter commitment or by preserving exit clauses — is the only way to keep that door ajar.

Other Options on the Table

Sainz is also exploring alternatives beyond Red Bull and Williams:

• Audi: Team principal Mattia Binotto has refused to rule out interest in Sainz, and PlanetF1 reported that Audi and Sainz's representatives have held discussions .
• Alpine and Aston Martin: Sainz holds "immense" interest in both teams, though neither currently has a clear opening .

Bottom Line: A Fluid Market Waiting on Verstappen

As of the summer break, no deal is signed. Sainz is weighing a ~€30M/year Williams extension — a massive salary that would make him one of the best-paid drivers on the grid — against the chance of a Red Bull seat that only exists if Verstappen leaves. The conflicting paddock reports (rejected vs. close to signing) suggest talks are genuinely fluid, and the final decision may not come until after the break, when Sainz and Vowles hold their scheduled "crunch discussion."

As one analysis put it, the "silly season" depends on Verstappen's decision . Until that domino falls, Carlos Sainz will remain the most important piece on the driver market board.

Sainz himself has been candid about his indecision. He confirmed plans to hold a "crunch discussion" with Vowles during the summer break to decide his 2027 future, admitting he is still unsure whether he will stay .

The €30 Million Offer: Rejected or Nearly Signed?

Multiple outlets report that Williams has offered or is preparing a contract extension worth approximately €30 million per season — more than double his current estimated €13 million salary . The offer is described as a multi-year extension covering 2027 and potentially 2028, not a pure one-year deal .

But the paddock is split on Sainz's response:

• On August 13, Italian outlet Autosprint reported that Sainz rejected the €30 million offer and is now considering alternatives, reigniting speculation he could leave Williams after the 2026 season .
• Just two days later, on August 15, Spanish outlet Marca reported the exact opposite: that Sainz is close to signing an extension with Williams and that a deal represents a "massive vote of mutual confidence" .

This contradiction has not been resolved publicly, and it suggests negotiations are still highly fluid.

Why the 2026 Season Changed Everything

Sainz signed with Williams expecting a team on the rise. In 2025, his debut season, Williams finished 5th in the constructors' championship and Sainz took two podiums. The car was balanced and consistently just three or four tenths off pole .

2026 has been a disaster. Williams has fallen to 9th with just 11 points through 11 rounds . The FW48 has been plagued by being significantly overweight — up to 28kg over the limit at one point — and the team missed pre-season testing . Neither Sainz nor teammate Alex Albon has scored a point since the Barcelona-Catalunya Grand Prix .

Sainz's frustration has been raw and public:

• He called the season a "character-building year" and a "bit of an eye-opener," admitting the team's drop in performance was worse than expected .
• After a disastrous Hungarian GP, he told Marca the team is "very bad" right now .
• He stated his decision on whether to stay "depends on how quickly we manage to bounce back" and that he will only wait so long for Williams to become competitive again .
• In Austria, he admitted: "We don't have reliability, we don't have pace, we don't have a car capable of scoring points" .
• Martin Brundle, the former driver and Sky Sports pundit, described Sainz as having ended up "down a cul-de-sac" at Williams .

Vowles has acknowledged the scale of the rebuild, telling the Press Association it will likely be 2028 before Williams can give Sainz a race-winning car . That timeline is hard to reconcile with a driver who wants to win now.

The Red Bull Factor: Waiting on Verstappen

The single biggest reason Sainz is hesitating to sign a long-term Williams deal is the possibility of a seat at Red Bull. The situation is almost entirely dependent on whether Max Verstappen, who is contracted through 2028 but has reported performance clauses, decides to leave .

Multiple sources confirm Sainz is actively pursuing this option:

• His management has made contact with Red Bull Racing about a potential return .
• BBC analyst Andrew Benson reports that Sainz is "hoping" Max Verstappen leaves Red Bull so a seat opens up for him .
• Spanish outlet Marca notes that Sainz's path to Red Bull is "almost entirely contingent" on Verstappen deciding to move on .

But a Red Bull seat is far from guaranteed even if Verstappen departs. The team reportedly sees Sainz only as a "stopgap" candidate — their top target would be Oscar Piastri of McLaren, and they would only pursue Sainz if Piastri joins Audi instead . Some reports suggest Red Bull's interest in Sainz may not materialize until 2028 at the earliest .

This dynamic creates a strategic dilemma for Sainz: signing a multi-year Williams extension now could block him from a Red Bull seat if Verstappen departs for 2027 or 2028. Keeping his options open — either through a shorter commitment or by preserving exit clauses — is the only way to keep that door ajar.

Other Options on the Table

Sainz is also exploring alternatives beyond Red Bull and Williams:

• Audi: Team principal Mattia Binotto has refused to rule out interest in Sainz, and PlanetF1 reported that Audi and Sainz's representatives have held discussions .
• Alpine and Aston Martin: Sainz holds "immense" interest in both teams, though neither currently has a clear opening .

Bottom Line: A Fluid Market Waiting on Verstappen

As of the summer break, no deal is signed. Sainz is weighing a ~€30M/year Williams extension — a massive salary that would make him one of the best-paid drivers on the grid — against the chance of a Red Bull seat that only exists if Verstappen leaves. The conflicting paddock reports (rejected vs. close to signing) suggest talks are genuinely fluid, and the final decision may not come until after the break, when Sainz and Vowles hold their scheduled "crunch discussion."

As one analysis put it, the "silly season" depends on Verstappen's decision . Until that domino falls, Carlos Sainz will remain the most important piece on the driver market board.