Among the hot-___ wagons that aren't available here, Audi's RS6 Avant ranks right up there with the Mercedes-Benz CLS63 AMG Shooting Brake and sundry historical BMW M5 Touring models. Now, according to GTSpirit, a U.K. dealer leaked information that indicates the RS6 is about to get even more bad-___. That's because Audi appears to be […]

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