Technically, the generation of Audi A4 that went into production in 2015 has undergone few mechanical changes compared to the previous model, instead focusing a lot on aesthetic innovation and the massive use of electronics. In May 2019, the A5 underwent a first restyling. The main engines are the 1.4 TFSI, 2.0 TFSI, 2.0 TDI, 2.0 TDI, 3.0 TDI.