Porsche and Audi take sibling rivalry to a new level in the latest episode of Head 2 Head.
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The 2015 Audi A8 and S8 have made their introductions ahead of the Frankfurt Motor Show with many all-new engine options.
The Audi Sport Quattro Laserlight Concept will make Las Vegas shine even brighter
Audi's performance-inspired S line enhances already impressive cars.