The World Rallycross Championship race winner is one of the six drivers called up by Audi for the end-of-season rookie testing.
Audi and BMW completed a three day test at Estoril as they got to grips with the 2019 cars.
After seven years in the DTM, Augusto Farfus is to leave the series to focus on GT racing.
The talking points from the finale of the 2018 DTM Series.
René Rast wins again, with Marco Wittmann second and newly recrowned champion Gary Paffett in third. A disastrous race meant Paul di Resta finished down in fourteenth.
Marco Wittmann will start the final DTM Series race of 2018 from pole position with René Rast starting in second and Gary Paffett in third.
The final DTM practice session of 2018 ended with Jamie Green quickest ahead of Marco Wittmann and Lucas Auer.
René Rast wins again in the DTM Series, with Robin Frijns and Timo Glock completing the podium.
Lucas Auer will start from pole position in the penultimate race of the 2018 season, ahead of Gary Paffett and René Rast.
Joel Eriksson was quickest in Saturday morning practice ahead of Augusto Farfus and Gary Paffett, with the top three separated by just three thousandths of a second.
BMW Motorsport Director Jens Marquardt discusses the latest developments for the future of the DTM Series.
The first session of the finale weekend of the 2018 DTM Series got underway with René Rast ending fastest.
The 2019 DTM Series calendar has been announced with Zandvoort, Hungaroring and Red Bull Ring all losing their rounds.
Crack Audi sports car team WRT will be making their debut in the 2019 DTM series as they were announced as a customer team for Audi.
The finale of the 2018 DTM Series takes place this weekend at Hockenheim.
With Mercedes departing from the DTM Series at the end of this weekend, the search for new manufacturers has been on to ensure the future of the series with Aston Martin confirmed to be the first to join the field.
With Mercedes leaving the DTM Series at the end of this season, Audi and BMW are evaluating customer teams for 2019.
