Williams is set to unveil a new B‑spec upgrade at the Azerbaijan Grand Prix after a difficult spell in Spain, with former driver Juan Pablo Montoya urging the team to deliver a noticeable improvement.
Upcoming Azerbaijan GP & B‑Spec Reveal
The Baku round will be Williams’ first opportunity to test the upgrade package, which James Vowles has described as effectively a “B‑spec” car that includes a new chassis and supporting components. He emphasized that the introduction of these parts will serve not only to boost track performance but also to validate the team’s in‑season engineering capabilities.
According to Vowles, the new build will act as a trial of processes and systems alongside a performance leap. “We have to prove to ourselves that we can do the engineering to the right level of quality, and build a car to that level in‑season,” he explained, indicating a dual focus on technical excellence and practical application.
Montoya, speaking on F1 TV, said he is eager to gauge “how much of a step” the upgrade makes. He also remarked that the team had acknowledged the need for change, citing a recent apology to Carlos Sainz after a retirement at the Spanish Grand Prix.
New Upgrade Components Detailed
James Vowles confirmed that the upgrade comprises “a new chassis” and several associated elements. The package – designed to be fitted concurrently – aims to raise the car’s competitiveness and reflect the team’s long‑term development trajectory.
In addition to the chassis, the upgrade blend includes a battery of aerodynamic adjustments and suspension refinements. These changes will be stitched into the current design and then tested against the high‑speed, narrow layout of Baku’s street circuit.
Officials noted that the integration effort will also inform the team’s future approach to “building a car to the right level of quality in‑season.” This objective is part of Williams’ broader goal of evolving away from the performance gaps that have plagued the 2026 season.
Season Performance and Chassis Concerns
Williams returned from the Spanish Grand Prix with an 11‑point tally, sitting ninth in the constructors’ standings, just ahead of Aston Martin and Cadillac. Alex Albon finished 15th, while Carlos Sainz retired from his home race.
The results in Spain have intensified scrutiny on the car’s reliability and pace. The upgrade’s effectiveness in Baku will thus be a critical indicator of whether the team has closed the reliability gap that has hampered its season.
Montoya also highlighted the team’s eagerness to showcase tangible progress. He underscored the message that Williams “deserves it” for the hard work on the upgrade package, reflecting motivation at the front of the paddock.
Looking Ahead to Full Season
Should the Baku trial confirm the promised step forward, Williams will be positioned to carry that momentum across the remainder of the campaign. A measurable improvement under race conditions will ultimately define the team’s trajectory and standing within the championship.

