Audi have underestimated one key cost ahead of entering the Formula 1 grid in 2026. This season, Sauber have changed their name from Alfa Romeo to the rather more complicated Stake F1 Team Kick Sauber. However, all of this is leading up to becoming Audi in the future, although a report from Auto Hebdo suggests they might not have realised how much investment the team already needs. Sauber would have been disappointed with their performances in 2023, but it can’t come as much of a surprise that they were one of the backmarkers. They’re one of the teams on the grid that haven’t been spending the…