Red Bull brings F1 floor update for Miami GP to close gap to McLaren

Pink Bull has continued its efforts to claw again efficiency versus McLaren with a revised System 1 flooring design for this weekend’s Miami Grand Prix.

Though the RB21 has proven glimmers of competitiveness over the opening 5 rounds, the automotive’s weaknesses have largely manifested in its dealing with traits and larger tyre degradation versus the MCL39.

In an effort to enhance its baseline efficiency, Pink Bull has made a sequence of detailed adjustments to the underbody of its 2025 F1 automotive to extract extra efficiency and enhance its stability.

The fences within the ground’s opening have been repositioned, and the staff has said in its pre-event technical notes that this could “extract a small enhance in load for a similar movement stability”.

Additional optimisation of the ground has prolonged to its flooring edge wing, which now options larger camber (ie. wing curvature) to extract extra downforce on this space.

Neither McLaren nor Ferrari have registered any adjustments for Miami, having done so at the previous rounds in Saudi Arabia and Bahrain respectively.

Ferrari used a brand new flooring at each Center Japanese races, whereas McLaren’s diffuser modifications have been solely seen in follow at Jeddah.

Mercedes has introduced a brand new rear wing meeting to Miami, which includes a lower-camber higher rear wing flap to trim downforce – and therefore drag – out of the package deal in an effort to enhance the W16’s high velocity alongside the 2 DRS zones.

Though Miami has a mixture of corners, the lengthy straights (or acceleration zones) between Flip 8 and Flip 11, and later between Turns 16 and 17, requires the groups to pare again the downforce to maximise their high velocity.

As such, Aston Martin has additionally launched a brand new wing package deal to deal with each the entrance and rear of the automotive; it has a brand new entrance wing with “much less aggressive profiles” to trim among the load out of the automotive to steadiness it with the adjustments to the rear wing.

This additionally extends to the beam wing, which “works at the side of the higher wing for this occasion to attain the required drag vary”. 

Williams additionally has a shorter-chord beam wing to chop drag out of this weekend’s package deal. 

Elsewhere, Alpine had ready new entrance brake ducts and entrance suspension members to enhance the movement on this space and enhance the brake cooling effectivity, however has elected to not run them this weekend owing to the character of the dash weekend.

Sauber has additionally modified its decrease entrance suspension wishbone fairings to assist pursue its aerodynamic enhancements.