Too much spice in the RS model and too boring on a regular A4? This Audi might be the perfect answer for you ...

To declare that something you built is the absolute fastest of its kind is an incredible feat. While there are a lot of people and carmakers building fast four-doors, only one sedan can hold the crown ...

Get in-depth unbiased information on the Audi S4 from Consumer Reports including major redesigns, pricing and performance, and search local inventory ...