My car, kept on cutting me off on the road, as I was driving, it will be okay for some time and start again until it stopped starting at all. When I start it, it does like its got no fuel.
Sounds to me like its the fuel pump. Relativley inexpensive for that year of Audi however you want someone who specializes in Audi/VW cars to do any repair work as this is a finicky procedure.
Search Audi A4 Questions
Audi A4 Experts