Ferrari's First ADUO Power Unit and Red Bull's Weight-Reduction Package Headline Austrian GP Upgrade Wave

The Austrian GP upgrade context

The 2026 Austrian Grand Prix at the Red Bull Ring (Round 8, race day 28 June) arrives as one of the most technically loaded weekends of the new-regulations era. ^[9] With Mercedes leading the Constructors' Championship on 262 points ahead of Ferrari on 190 and McLaren on 141, the development race is shaping the order as decisively as raw pace. ^[9]

Ferrari's first ADUO power unit upgrade

Ferrari is targeting Austria for the debut of its first upgrade under Formula 1's Additional Development and Upgrade Opportunities framework. ^[4] The ADUO system, active from 2026 to 2030, grants manufacturers additional homologation slots when their ICE Performance Index falls more than two per cent behind the benchmark unit. ^[1]

The FIA determined that Ferrari's internal combustion engine sits outside the four-per-cent reference threshold, granting the Maranello team two additional homologation slots in both 2026 and 2027. ^[4] Ironically, the benchmark ICE is held not by Mercedes but by Red Bull Powertrains, the result that bars Red Bull from making ICE performance gains of its own under ADUO rules. ^[3]

Reports from Italian outlet AutoRacer, cited by Crash.net and GPFans, estimate the first Ferrari upgrade will deliver around 4-5 horsepower from the ICE itself, with a further 2-3 horsepower available from a revised Shell fuel compound developed alongside the engine changes. ^{[4] [8]} The total gain is put at just over a tenth of a second per lap, pending final FIA homologation approval before the race. ^[4] A second, heavier ADUO upgrade is being reserved for a later round, with Monza in September discussed as the likely target. ^[4]

Red Bull's weight-reduction package

Red Bull arrives at its home race with its second major upgrade of the 2026 season. ^[2] The RB22 began the year a reported 12 kilograms above the 768 kg FIA minimum weight limit; the Miami package cut that surplus to approximately six kilograms. ^[5] The Austria package is designed to eliminate those remaining six kilograms. ^[2]

Technical director Pierre Wache told Motorsport.com in May that the plan was to reach the 768 kg minimum with the Austrian package. ^[5] Team principal Laurent Mekies confirmed the target after the Barcelona race, while being clear about the limits of the upgrade. ^[6] "There is no doubt that the Austrian package alone will not be enough," Mekies said; he added that the team wants to stop talking about a four-tenths deficit and move toward something smaller. ^{[2] [3]}

:::analysis In the 2026 regulations cycle, excess weight carries a direct and calculable penalty: engineers typically estimate approximately three tenths of a second per lap per ten kilograms of excess mass. Eliminating the remaining six kilograms could therefore unlock close to two tenths of lap time from weight reduction alone, before any aerodynamic gains from the new parts are counted. That makes the Austrian upgrade structurally different from a conventional aero package; its baseline benefit is largely predetermined by physics rather than wind-tunnel correlation.

Ferrari's ADUO upgrade is similarly structural rather than speculative. The framework exists precisely because the FIA identified a meaningful ICE performance gap; the gains, while modest in isolation, compound over a season when a second, larger ADUO slot is held in reserve for Monza. :::

Broader upgrade picture

Formula 1's own race-week preview noted that multiple teams arrive with developments and that McLaren could be part of a three-team fight at a track that has historically suited the Woking squad. ^[7] Lewis Hamilton's Barcelona victory ended Mercedes' unbeaten start to the season, and Ferrari heads to Spielberg with momentum as well as a fresh power unit specification. ^[7]

Related reading

• What is ADUO and how does it work?
• Red Bull RB22 Miami upgrade: what changed?
• 2026 Austrian GP race guide