Müller will remain in the championship with Jenzer Motorsport for a second season in 2011. Müller competed in the 2017 World RX of France and the 2017 World RX of Latvia for the EKS RX team. He finished the events 17th and 6th respectively. In October 2017, it was announced that Müller would replace relief driver James Rossiter in the No. 26 G-Drive Racing Oreca 07, partnering regular drivers Roman Rusinov and Pierre Thiriet for the 6 Hours of Shanghai in November. He finished seventh after colliding with three cars during the course of the race. That month, Müller was entered into the 2017 FIA GT World Cup, driving an Audi R8 LMS with Audi Sport Team WRT, and was caught up in a first lap multi-car accident in the qualifying race. His car was repaired in time for the main race, but crashed out after hitting a car that spun ahead of him. At the end of October 2009, Müller tested a Formula Renault 3.5 Series car for the first time, driving for Prema Powerteam at Motorland Aragón in Spain as a prize for winning the Swiss Formula Renault title. A week later, he took part in the first International Formula Master test session of the winter at the Hungaroring, finishing as the fastest driver on day one before taking second place the following day. † As Müller was a guest driver, he was ineligible for points. * Season still in progress. * Season still in progress.