After fixing a major coolant leak, doing a fluids service, and undertaking a substantial brake job, my 2002 Audi S4 project is turning out pretty great. But as I started accumulating miles, it started ...

Audi might have opted not to bring the RS4 Avant to North America, but in other parts of the world fast, combustion-engined, compact premium wagons are a core part of German brand’s lineup, so work is ...

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Audi is making the A4, A5, S4, and S5 models that touch sportier with the launch of the new Competition Edition and Competition Edition Plus packages in the European market. All models with the new ...

Browse used Audi S4 for sale near you. Compare listings with photos, pricing, and insights from Car and Driver's trusted vehicle test team.

The last time I checked in and delivered the news that my $925 2002 Audi S4 shockingly needed a little work, its biggest issues were quite apparent. Since then, its new auxiliary water pump showed up ...

Browse used Audi S4 for sale near you. Compare listings with photos, pricing, and insights from Car and Driver's trusted vehicle test team.

It doesn't have an "A" in its name, but the S4 is effectively the top Audi A4, as well as the lineup's hottest performance variant. The current generation of the compact sport sedan was new for 2017 ...

Audi is working on the S4 Avant, which is set to be released later this year as an MY2024 vehicle. It is believed to be the last S4 with an internal combustion engine, so if you have ever wanted one, ...