We were recently handed the keys to a fully loaded, brand-new Audi S4 sedan. We proceeded to put the sporty A4 variant through its paces on the open road, on an autocross cone course, and even on the track at Infineon Raceway at Sears Point.
August 31, 2009 1:47 PM PDT
Photo by: Antuan Goodwin/CNET
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