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Audi’s midsized A6 has long been a well-regarded luxury performance sedan and this year the German automaker is offering it to the U.S. in diesel flavor. Counting the extra-potent S6, there are now five A6 variants available, and the 3.0-liter six-cylinder turbo diesel in the A6 TDI quattro Tiptronic might just make choosing between these […]

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Among finalists for the 2014 “Green Car of the Year” only one hybrid makes the cut and no electric cars or vehicles of any type from Detroit are on the list. The finalists are: Audi A6 TDI, BMW 328d, Honda Accord, Mazda3 and Toyota Corolla. Here we see two diesels, three highly efficient four-cylinder combustion […]

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