Audi will build a new four-cylinder engine to run as smoothly as a V-6 or V-8.
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An Audi with quattro all-wheel drive is like peanut butter with jelly.
Motor Trend's Justin Bell takes the 2013 Audi S8 to the track to see how it stacks up against its competitors.
Porsche and Audi take sibling rivalry to a new level in the latest episode of Head 2 Head.