For 2010, Audi replaced the previous S4's V8 with a supercharged 3-liter V-6. Taking advantage of direct injection, this engine makes 333 horsepower, getting the S4 to 60 mph in less than 5 seconds.
April 13, 2010 3:10 PM PDT
Photo by: Josh Miller/CNET
| Caption by: Wayne Cunningham
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