AUDI A6 C8 (4A2) S6 TDI Mild Hybrid quattro Saloon Diesel/Electro 03/2019 on AWD 24 349 257. AUDI A6 C8 Avant (4A5) S6 TDI Mild Hybrid quattro Estate Diesel/Electro 03/2019 on AWD 24 349 257. AUDI A6 C8 (4A2) 50 TDI Mild Hybrid quattro Saloon Diesel/Electro 02/2018 on AWD 24 286 210.