Larger air intakes in the deep front bumper, a revised front grille, wide wheel arches and a new rear bumper with twin chrome oval tailpipes help distinguish the new RS6 sedan from the Audi S6.
The 2009 RS6 sedan and Avant will both be powered by a twin-turbo 5.2-liter V10 that generates 580 horsepower and 479 pound-feet of torque. A six-speed gearbox and Audi's Quattro four-wheel-drive system come standard.
What this means to you: BMW M5 and Mercedes-Benz E63 AMG owners better watch their backs. — Kelly Toepke, News Editor

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