Prizefight: Porsche 911 vs. Audi R8

CNET TV compares the Porsche 911 with the Audi R8.

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In his latest prizefight, Brian Cooley looks at two high-stepping German cars, the Porsche 911 Carrera 4S and the Audi R8. Both cars have all-wheel-drive and both top $100,000 in price, but which is better? Brian compares powertrains, handling, design, cabin electronics, and a special category for cars in this segment.

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