Audi Reveals 2009 A6 Sedan, Avant And New Fuel-Sipping TDIe Model In…

The new 580 HP 2009 Audi RS6 Sedan is a very exciting proposition, but for the rest of us there's this, the 2009 Audi A6 Sedan and Avant. Perhaps the most relevant additions are the new TDIe models which squeeze maximum efficiency from the 2.0-liter turbo-diesel engine via modified transmission ratios, a power steering … » 8/12/08 11:20am 8/12/08 11:20am