There are cars, and then there are sports cars.
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A cadre of small luxury sedans have emerged as the next big thing in the auto industry.
The 2012 Audi A8 is the automaker's flagship, and the S8 is the top of the performance-inspired S line which enhances already impressive cars.
Motor Trend's Justin Bell takes the 2013 Audi S8 to the track to see how it stacks up against its competitors.