Want the engine out of the base Porsche Panamera in a smaller, cheaper sedan? Look no further than the 2018 Audi S4, arriving in dealerships this spring from $50,900. The displacement stays the same ...

Let's start at the top. The S4 is powered by a comically underrated 333-hp 3.0-liter supercharged V-6 making a supposed 325 lb-ft of torque. I say underrated because other luxury sports sedans with ...

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 ...

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 ...