The used-car market is full of hidden gems, but few are as compelling as a naturally aspirated V8 sports sedan that the buying public largely forgot about. The Audi B7 S4 ticks every box enthusiasts claim to want — a high-revving eight-cylinder, a six-speed manual, Quattro all-wheel drive, and a practical four-door body — yet it has spent years living in the shadow of its more celebrated sibling, the RS4. With prices for well-kept examples remaining accessible, there has never been a better time to take a closer look at what this overlooked Audi actually offers.
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