Audi RC8 2.0 TFSI engine

The Audi RC8 2.0 TFSI is a prototype four-stroke 2.0-litre single-turbocharged inline-4 gasoline racing engine, developed and produced by Audi Sport GmbH for Deutsche Tourenwagen Masters. The RC8 2.0 TFSI engine is full custom-built but partially borrows the cylinder blocks from Volkswagen-Audi EA888 2.0 R4 16v TSI/TFSI road car engine which had a same displacement. Audi RC8 2.0 TFSI was shakedown on 15 November 2018 and later made public unveil on 20 March 2019 after more engine dyno test. Audi RC8 TFSI is the first-ever turbocharged DTM engine to date, replacing the aging Audi DTM V8 engine after nineteen-years of service which conform the "Class 1" regulations that shared with Japanese Super GT under Nippon Race Engine (NRE) formula.

The RC8 2.0 TFSI engine also featuring push-to-pass system which produces 30 hp (22 kW) later 60 hp (45 kW) for more overtaking manoeuvre improvement.