Red Bull emerged from the 2025 British Grand Prix weekend with a mixture of frustration and hope, as the team pressed on with a bold development push aimed at closing the gap to its Formula 1 rivals. The Silverstone race marked another chapter in the ongoing effort to refine the RB21, a car that has proven to be a complicated puzzle for engineers and drivers alike in the 2025 season.
The British Grand Prix saw Red Bull debut a series of subtle but significant modifications to the RB21’s floor, including adjustments to the floor fences and the main body to create better synergy between different aerodynamic elements.
These tweaks included repositioned fences at the leading edge, designed to optimise airflow, as well as a reshaped upper floor surface with a more prominent hump and a tapered profile. While these changes may have appeared minor on the surface, their cumulative effect is aimed at making the car more predictable and responsive, especially in fast-changing conditions.
The upgrades arrived as a follow-up to recent improvements to the floor’s edge wing, which were initially scheduled for later in the season but introduced early at the Austrian Grand Prix. The intention behind the new package was to enhance downforce and efficiency, but Red Bull’s Silverstone strategy threw another variable into the mix.
Seeking to solve chronic understeer issues and boost straight-line speed, the team opted for a low-downforce rear wing configuration in both qualifying and the race. While the adjustment made the RB21 more competitive over a single lap, Max Verstappen secured pole position, it left the car exposed when conditions changed, as was the case when rain arrived during the race.
Verstappen hopeful of Red Bull improvement
Reflecting on the weekend, Max Verstappen acknowledged that it is difficult to pinpoint exactly how much the upgrades contributed to performance gains, but remained encouraged by the direction of development.
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“I’m not sure, of course, how much it did [make a difference], but for sure, it brought something, you know, and I’m happy, of course, with any kind of upgrade that we get on the car. And you know, we just keep learning, keep trying to be better and take it race by race, what we can do,” Verstappen said.
The Dutchman explained the thinking behind the low-downforce set-up: “We looked a bit slow yesterday on the other wing. Plus I was just understeering to the moon, so I had to try and reduce a bit that understeer. And it seemed to work. I mean, it is light on downforce for sure. I mean, you can see that, I guess. But it seemed to hold on, and that’s why, yeah, we decided to stick with it.”
However, the gamble failed to pay dividends in the race itself, as the RB21 struggled for grip when the rain hit. Verstappen, who had looked set to challenge for the win, ultimately had to settle for a lower finish as the McLarens capitalised on their more balanced package.
Red Bull’s development race continues
Despite the setback at Silverstone, Red Bull’s approach remains steadfast. The team is still chasing elusive performance, but each race brings a deeper understanding of what the RB21 needs to thrive under varied conditions. While the new floor and aerodynamic tweaks may not have delivered instant victory, they represent tangible progress and a willingness to push boundaries.
With more updates expected as the summer stretch continues, Red Bull will hope that its persistence pays off, allowing Verstappen and teammate Yuki Tsunoda to stay within striking distance of their championship rivals. The coming rounds will reveal whether the blend of patience, innovation, and calculated risk can turn hope into hard results.
