Opt for the base Premium trim as it offers a long list of standard features and moreover it is mechanically similar to rest of the trims. Add optional packages as per your requirement. If you seek upgraded safety features then you can choose the top of the line Prestige trim.
2018 Audi A5 Sportback Prices
Premium Plus quattro 4dr Hatchback AWD (2.0L 4cyl Turbo 7AM)