Whether a Audi A6 C8 40 TDI design quattro S tronic is a suitable automobile for families, is not easy to answer from a technical point of view. families pay attention to a wide range of things when buying a new Automobiles, so this consideration only considers the common aspects. There are no Isofix brackets installed. These could be used to secure child seats easily and safely, if a little more space is needed in the interior, the rear seat can be folded down.