Audi A6 40 TDI Quattro S Line S Tronic (Grey) Thoroughly inspected through our 159-point check, expertly reconditioned and safeguarded by a minimum 12-month warranty. Last service: 10/04/2026. A premium executive saloon. Features include Apple CarPlay/Android Auto, Bluetooth, lane departure warning, satellite navigation, Audi Music Interface, digital radio, privacy glass, parking sensors and heated front seats.