Helmut Marko insists Red Bull “knows what it’s doing” with extended development of the 2025 F1 car, in response to McLaren's suggestion it may be sacrificing next year

In recent years, Formula 1 teams have been in a relentless development race throughout the season as they race to bring new parts to the track – albeit within the constraints of the FIA cost cap and the aero testing restrictions, which mandate Computational Fluid Dynamics (CFD) and wind tunnel usage.

Andrea Stella has shed light on why McLaren have resisted the temptation to respond to Red Bull’s late-season development surge

It was revealed after Max Verstappen's win in Austin - which cut into the championship lead of Aussie driver Oscar Piastri - that Red Bull had been fined 50,000 euros (AU$89,000) for a pre-race breach involving one of their crew members.

The Milton Keynes-based squad has seen a change in fortunes since introducing the floor at the Italian GP, with Max Verstappen taking the first of three victories over the last five races.

Red Bull motorsport advisor Helmut Marko says more upgrades are on their way to help Max Verstappen's title charge.

Jacques Villeneuve has named four-time and reigning IndyCar champion Alex Palou as the "perfect" driver to occupy the second Red Bull seat alongside Max Verstappen in 2026.

Lando Norris has raised his concerns, McLaren are going into qualifying for Mexico City Grand Prix qualifying as well as struggling with the balance.