Even after it lost its 4.2-liter V-8, the Audi S4 was kind of old-school—or rather, it was proof that seemingly old-fashioned technology could still provide outstanding results. Powered by a supercharged 3.0-liter V-6 and available with an honest-to-God six-speed manual, the wilder version of the Audi A4 proved the virtue of following the old rules. […]
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