The Audi A Sportback browse pricing, offers, . TDI ultra S line Audi Connect Safety and Service .CarBuyer helps you decide which new car to buy, with expert car reviews, car news, helpful buying guides and detailed video test drives..Audi A TDI quattro S line UK. Audi A TDI quattro S line UK. Skip navigation Sign in. Search. Loading Close..Audi A S Line Sportback >> Audi A Sportback S Line ps Quattro d Road. The Audi A Sportback offers the same ownership virtues as the three door .