Diesel's low-rev response, some fussy facelift styling details Understated almost to the point of anonymity, the S4 is the mid-level performance version of the Audi A4 saloon that’s seen more heart ...

Wayne Cunningham reviews cars and writes about automotive technology for CNET's Roadshow. Prior to the automotive beat, he covered spyware, Web building technologies, and computer hardware. He began ...

The 2009-2016 Audi S4 formed part of the B8 generation, which replaced the cult classic B7 range. The S4 in question was particularly good because a supercharged gasoline engine powered it. If that ...

The all-new generation of A4 is likely to make its debut at the upcoming Frankfurt Motor Show. The RS4 will take a while longer to develop, so us performance freaks will just focus on what the S4 ...

For all of the redesigned 2017 Audi S4 sedan's improvements—more power, a completely new platform, and enhanced technology features—you may have a hard time telling the new model apart from its ...

The next-generation 2023 Audi S4 Avant performance wagon has been spied testing in Europe, ahead of its anticipated launch next year. Building on the standard A4 prototype spotted late last year, the ...

The S4 is a sport-tuned version of Audi's well-known A4 compact luxury sedan. Part of the portfolio of Audi's bestselling sedan model, the current B9-generation S4 made its debut in 2017. As before, a ...