Hi guys en gals, I’m thinking of buying an Audi for my next car as I love the look of the A5, A6. Unfortunately I do not know allot about cars so I need some advice. My bugrt is €20,000 so second hand, need cruse control decent AC manual gear and smooth ride, 4 Door, and reliable ofcource. I don’t know if there is a performance difference in pertrol or desiol. Motorway driving a lot. Thank you in advance for you time and valued opinion.