Audi has revealed a six-driver line-up for next week's DTM young driver test, including McLaren junior Nyck de Vries and single-seater ace Alex Palou.
McLaren junior De Vries, who also tested with Audi in last year's test, was close to making his DTM debut in place of the injured Mike Rockenfeller in Moscow.
De Vries races in Formula 2 this year, currently sitting seventh in the standings as the second-best rookie.
Another driver who will return for a second Audi outing is Alex Palou, the Spaniard having taken part in the 2015 young driver test for the Ingolstadt marque.
Palou had an impressive rookie season in GP3 that year, but a more low-key 2016 campaign saw him move to Japanese F3 before securing a seat in Formula V8 3.5 for the second half of the season and also make his F2 debut at Jerez.
Ferdinand Habsburg is the only F3 driver to enter the test, along with German F4 race winner Jonathan Aberdein, whose father Chris drove for Audi in the 1990s.
Dries Vanthoor, younger brother of sportscar ace Laurens, will also take part in the test, the Belgian driver spending the past two seasons within WRT Audi's Blancpain GT Series operation.
The line-up is completed by WTCC and ELMS driver Yann Ehrlacher, nephew of Yvan Muller.
Audi DTM regular Nico Muller will also drive in the test as a benchmark driver.
Mercedes and BMW will hand outings F3 stars Maximilian Gunther and Joel Eriksson in the test, which take place from October 24th until 26th at Lausitzring.