Williams F1 upgrades 2026
WILTotal Upgrades
28
PU Changes
259
Races Active
17
Top Category
Aero
23 items
Component
Reason
Confirmed FIA upgrades
29 Mar · 1 upgrade
Compared to the launch car, a revised set of suspension claddings are available to package efficiently around the updated suspension structures.
The incidence and profiles of the external claddings have been optimised to work effectively with the new internal suspension structures to ensure that the impact on the downstream flow field is mitigated. Atlassian Williams F1 Team 3
3 May · 7 upgrades
The floor has refined contours, local thickness changes, and updated edge and interface details in the forward, mid and edge regions to suit the new layout.
Improves floor airflow across conditions. Refined surfaces reduce sensitivity to setup, providing more repeatable aerodynamic load over a wider operating window.
Fairings around the rear impact structure are revised with new local profiles, junctions and trailing-edge positions to suit surrounding hardware.
Cleans flow around the rear impact structure. Revised fairings, junctions and trailing edges improve integration with local hardware, reducing losses and stabilising the rear flow field.
capability & mid-body flow The inlet lips, internal transitions and outer surfaces are reshaped with revised radii and fillets to match the new packaging.
Extends usable cooling range while cleaning mid-body flow. Reshaped inlet lips, internal transitions and outer surfaces improve local flow quality and maintain cooling margin across ambient and track conditions.
A new profiled bracket is added behind the tailpipe within the allowed volume, shaped to the new layout.
Improves tail-region integration. Profiled bracket manages wake behind the tailpipe, reducing local separation and supporting more stable rear-end flow behaviour across conditions.
The engine cover, coke region and rear/upper cooling exits have revised surfaces, local fairings and openings to suit updated internal routing.
Improves rear flow delivery while satisfying heat-rejection needs. Updated cover, coke and exit geometry improves extraction and reduces disruption, giving more consistent rear flow versus cooling demand.
the brace interfaces are updated, with new cut-lines and trailing-edge positions aligned to the new packaging.
Updated rear wing brace fairings and cut-lines improve flow interaction with nearby elements, providing cleaner handover and more consistent rear airflow behaviour across conditions. Atlassian Williams F1 Team 3
The mirror bodies, fillets and cut-backs are reshaped and repositioned to match the new hardpoints.
Provides local flow conditioning around the cockpit. Mirror reshape and reposition guide flow down the cockpit side, improving conditions for downstream bodywork.
24 May · 3 upgrades
A repositioned exhaust tailpipe Following on from an update introduced at the previous Miami GP, a further step on the exhaust system will be evaluated which offers an improved coupling with the surrounding aerodynamic components.
A new FBD scoop geometry with a reprofiled exit area.
To suit the demands of the Gilles-Villeneuve circuit, a new FBD geometry will be introduced which offers an increased level of overall brake system cooling.
Revised suspension cladding surfaces, with changes in chord and incidence across their span.
In concert with the updated FBD geometry, new suspension cladding will be available to improve the local interactions on the front corner and hence downstream across the rest of the car.
7 Jun · 2 upgrades
An updated exhaust tailpipe installation Continuing the positive development path from the previous two GPs a further step on the exhaust system is available this weekend, which offers an additional loading opportunity at the rear of the car.
A revised front suspension geometry with updated cladding surfaces to suit To suit the demands of the unique Monaco circuit a new front suspension geometry is available.
14 Jun · 1 upgrade
SM Fairing Winglets and Third Element local extensions Different SM fairing geometry with added winglets offering local load for high downforce tracks.
Local trailing edge extensions added on the rear wing third element for efficient load increase.
5 Jul · 1 upgrade
A new front wing geometry with updated profiles and endplate surfaces.
An updated front wing assembly has been developed, which aims to generate an increase in local loading combined with an improved flow field interaction with downstream components.
19 Jul · 3 upgrades
A local trim has been applied to the main Floor Body A further circuit specific change, altering the balance between downforce and drag at the rear of the main floor.
An updated main floor profile which adds volume to the central part of the diffuser.
To change the distribution of diffuser expansion volume across the car operating envelope, a new floor body surface has been introduced.
A revised rear brake duct winglet array To suit the demands of the Spa-Francorchamps circuit, we have reduced the loading on the rear corner which offers a local efficiency improvement.
26 Jul · 2 upgrades
A new Floor Bodywork configuration with the introduction of new geometry on the outboard Floor Winglet. A further circuit specific change, which modifies the aerodynamic loading on the outboard floor body and surrounding components at the rear corner of the car.
A new RW assembly configuration, with a change to the rear wing flap components.
To suit the demands of the Hungaroring circuit, we have introduced an optional rear wing flap geometry which offers an increase in downforce across the rear of the car.
6 Sept · 3 upgrades
A vertical fence has been introduced around the Halo geometry.
We have modified the local pressure distribution around the driver cockpit area. This results in a downstream flow field change which benefits efficiency levels specific to the Monza circuit.
A local trim has been applied to the Floor Board geometry. This is a further circuit specific change, altering the balance between downforce and drag at the front of the main floor.
A reduction in chord of the FWF elements.
The rearward element on the FW assembly has been modified to suit the balance requirement of the Monza circuit.
26 Sept · 5 upgrades
A change in suspension cladding orientation. To suit the new onset flow, the surfaces on the rear suspension have been realigned to offer additional performance in the rear corner.
A revised Tail geometry has been introduced to suit the new Floor update. The new surfaces work together with the new floor to generate increased performance locally around the RIS.
The Rear Brake Duct furniture has been modified with new leading edge features. The previously described geometry changes have unlocked a new flow field opportunity in the rear corner and we have been able to extract additional performance in this region by retuning these devices.
Reprofiled surfaces have been applied to the Front Brake Duct flow conditioning devices.
The forward and rearward regions of the Front Wheel Bodywork have been updated to offer both improved interaction with the Front Wing and an improved downstream flow field with the rest of the car.
An updated Floor Bodywork Assembly has been introduced, including new Floor Leading Edge devices, Floor Body and Floor Corner geometry. We have modified the forward and outboard regions of the floor to extract more performance both locally and across the main underfloor surfaces.
Williams F1 power unit usage 2026
8 Mar · 3 PU
15 Mar · 14 PU
29 Mar · 14 PU
3 May · 22 PU
24 May · 16 PU
7 Jun · 16 PU
14 Jun · 19 PU
28 Jun · 17 PU
5 Jul · 18 PU
19 Jul · 16 PU
26 Jul · 14 PU
23 Aug · 15 PU
6 Sept · 19 PU
13 Sept · 14 PU
26 Sept · 14 PU
4 Oct · 14 PU
11 Oct · 14 PU
Steward start penalties
Start penalties: pit-lane / technical start sanctions (distinct from PU grid, FIA B8.2.8).
15 Mar · 2 start
24 May · 1 start
5 Jul · 1 start
23 Aug · 1 start
11 Oct · 1 start