See the fastest Audi cars ever built, ranked by real top speed. R8s, RS models, and the quickest Audi SUV make the list.

All-new for the 2017 model year, the 2021 Audi A4 is a midcycle refresh of the sports sedan. But some refreshes are milder than others. The sheet metal of the A4, and itsS4 sibling, is ever so ...