After a three year hiatus, he returned to compete with Stadler Motorsport at the Dubai 24 Hour, finishing sixth overall.

In his inaugural full-time year of competition, Ineichen scored the class championship, winning eight of 17 races.

[7] In 2016, Ineichen joined Grasser Racing Team for the ADAC GT Masters and Blancpain Endurance Series seasons.

[9] In 2018, Ineichen was part of the Grasser Racing Team entry that won the GTD class at the 24 Hours of Daytona.

[14] Ineichen finished the season with just one championship point, earned by claiming the fastest lap at Spa.