Sauber team principal Jonathan Wheatley says recent improvements and results are demonstrating the potential of what will become the Audi Formula 1 works team next season.

The Qatar Investment Authority (QIA) has acquired a “significant minority stake” in Sauber Holding AG, the future Audi Formula 1 team.QIA is already a stakeholder in the Volkswagen Group – Audi’s parent company – and will provide a substantial capital injection that Audi said will allow the team to increase...