Like Rast, Muller was contracted to Audi until the end of 2023 and was due to lead the development of its LMDh contender that was destined for both the FIA World Endurance Championship and the IMSA WeatherTech SportsCar Championship next year.
However, Audi’s LMDh project was quietly paused at the start of the year, with the German marque confirming last month it had been cancelled altogether along with the news that it will be entering Formula 1 in 2026 in partnership with an existing team.
