While the Audi RS4 gets all the attention when talking about Audis 2000s sports sedans, its less powerful sibling is an ...

The vast majority of racing series in the world have some level of restriction on aerodynamic elements. Take that away, though, and you get truly wild cars, like this Audi S4 from aftermarket shop JXB ...

Audi is no stranger to the performance car market, having manufactured high-speed models for decades now, ranging from the very first RS model in the 1990s, through to the recently discontinued ...

Four-cylinder engines aren't what they used to be—they're way, way better. And considering the goodness of the A4 2.0T's 252-hp turbo-four, the new turbo-six-powered 2018 S4 must work harder than ever ...