Red Bull Racing will bring a significant upgrade to its RB21 challenger this weekend at the Austrian Grand Prix, with further refinements set to follow at Silverstone, team advisor Helmut Marko has revealed.
The developments mark the latest in a series of updates to Red Bull’s contender, following earlier tweaks to the car’s floor, sidepods, and front wing introduced at Miami, Imola, and Barcelona.
Max Verstappen and Yuki Tsunoda will hopefully benefit from the changes as the Milton Keynes-based outfit makes its final push to close the gap to dominant rival McLaren before switching its focus to its 2026 design.
However, Marko warned that if the development drive fails to deliver immediate results, Red Bull’s championship ambitions will likely slip out of reach.
A Race Against Time and Costs
“We are now getting an update for Austria, which will then be refined again for Silverstone,” Marko told Austria’s Kleine Zeitung.
“But if that doesn’t work either, then it will be difficult in the world championship. And it’s not as if it’s not difficult enough already.”
Marko elaborated on the logistical challenges, as F1's cost cap and resource limits demand teams shift focus on a timely basis to next year’s sweeping regulation changes.
©RedBull
“There is a precise breakdown of how the wind tunnel and all the tools are used,” he explained.
“At some point, however, people will say: ‘That’s it for further development.’ For two reasons: Time – and the production of new parts takes time – and the cost cap.
“So, the question is: where do you spend your resources? I assume that after Silverstone or Spa, at the latest, there will be a decision to focus entirely on the new car.”
Read also: Lindblad to make F1 debut in British GP practice, confirms Marko
Despite the pressure, Marko remains cautiously hopeful of Red Bull achieving a strong result in Spielberg next weekend.
“Max Verstappen has won here [in Austria] five times, the track suits him,” he added. “It’s not just us who have problems with the tyres, everyone except McLaren is struggling.
“We are currently probably three tenths behind McLaren, but in a much smaller working window, which makes it even more difficult.
“It’s not impossible to make up the three tenths, but it has to come now. If the track suits us, like in Jeddah or Suzuka – Imola and Montreal weren’t too bad either – then it works.
“But the working window is extremely small.”
With time ticking, Red Bull’s home race could prove decisive in their championship fight.
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