The decision to move away from Ferrari's in-wash sidepod concept to embrace a new design philosophy, reminiscent of Red Bull's downwash idea, did not yield the anticipated on-track success.
What next for Resta?
While Haas struggled with tyre-related issues, particularly in races, their qualifying pace often went unrewarded. As Resta steps away from Haas, speculation surrounds his future endeavours.
Although there's no official confirmation from Ferrari about Resta's next role, the possibility of a return to the F1 organisation under Fred Vasseur's restructuring plan is on the table.
Additionally, some rumours link Resta to a potential role at Sauber, where he previously worked under the Alfa Romeo banner.
The Sauber team is currently gearing up for the arrival of Audi in 2026, making Resta's wealth of experience a potential asset.