Audi will introduce a long-awaited gearbox upgrade for the R26 at the 2026 Italian Grand Prix, almost six months after deciding that its original gear ratios needed to be changed. The new configuration is designed to correct a first gear that was too short and an eighth gear that was too long, allowing Nico Hülkenberg and Gabriel Bortoleto to make better use of Audi’s power unit at Monza.
Some Formula 1 upgrades are created in response to development needs that emerge during a season, while others require considerably longer-term planning. Audi’s Monza gearbox update belongs firmly in the second category: the German manufacturer effectively approved the new R26 gear ratios six months ago and has had to wait 24 weeks for the components to become available.
Audi finally changes R26 gearbox ratios at Monza
According to Motorsport-Magazin.com, Audi identified the problem shortly after its first tests of the 2026 season. Simulations completed before the car made its track debut had not provided a perfect picture of what the new power unit would require in real-world conditions.
Once the R26 began running on track, Audi discovered that first gear was too short while eighth gear was excessively long. The wide overall spread represented a compromise that Nico Hülkenberg and Gabriel Bortoleto have been forced to manage throughout the opening part of Audi’s first Formula 1 season. Unlike an aerodynamic development, however, changing gearbox ratios is not something that can be completed quickly. The process is complicated both financially and from a manufacturing perspective, and Audi had to wait 24 weeks for its new gears because the components are produced by an external supplier.
The arrival of the new ratios therefore happens to coincide with Monza, one of the most demanding power-unit circuits on the Formula 1 calendar. The Temple of Speed’s long straights place particular emphasis on energy management and overall powertrain efficiency, making the Italian Grand Prix an especially interesting venue for the revised configuration to make its debut.
New gearbox should help Audi exploit its power unit more effectively
Audi’s primary objective is to make better use of the operating window of its V6 engine. By reducing the overall gap between first and eighth gear, the engine should be able to spend more time within the rev range considered most efficient, something that has become particularly significant with the characteristics of the power units introduced for 2026.
The gearbox change will therefore not directly deliver a substantial step in outright performance. Instead, it should eliminate one of the compromises that Nico Hülkenberg and Gabriel Bortoleto have faced since the start of the year as Audi continues trying to extract more from the R26 and its developing power-unit package.
Audi’s race starts will be closely watched at Monza
One area that will need particularly close attention is the start procedure. Audi has worked extensively on its launches over recent months following the difficulties that emerged during the first part of the championship.
The slightly smaller turbocharger introduced at Barcelona contributed to an improvement, as did the work carried out by Nico Hülkenberg and Gabriel Bortoleto in managing the start procedure. Audi’s early-season difficulties had been among the factors preventing the R26 from converting all of its underlying potential into results, despite signs that Audi’s performance was stronger than its results initially suggested.
The revised first gear, which will be longer than the ratio used until now, will once again change some of the drivers’ reference points. It will therefore be particularly interesting to see how the R26 behaves when the lights go out at Monza, especially because the clutch and its control system remain areas where Audi still has room for improvement.
Why changing F1 gearbox ratios comes at a significant cost
From a financial perspective, the change represents a demanding operation and requires approval from the department responsible for managing and monitoring the cost cap. A comparable example can be found at McLaren, which faced a situation very similar to Audi’s during the opening stages of the 2026 season.
McLaren’s gearbox ratios were originally approved using data supplied by Mercedes HPP during the winter. Once the MCL40 ran on track, however, those figures proved not to correspond perfectly with what the team experienced in real conditions. The issue became apparent during the first Barcelona tests, but changing the ratios would have had a significant impact on McLaren’s available budget. The Woking team therefore decided against modifying its gearbox configuration, preferring to allocate those financial resources to the aerodynamic development of the car instead.
Audi has chosen the opposite route. After identifying its gearbox compromise during winter testing, the manufacturer committed to the lengthy and expensive process of producing a revised gear set. Monza will finally reveal how effectively that six-month project allows Nico Hülkenberg and Gabriel Bortoleto to exploit the R26’s power unit across one of the fastest circuits of the season.
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