The Basics: The 2012 Audi Q7 is a big, luxurious all-wheel drive utility vehicle that a lot of what you want--luxury and on-road capability--and very little of the rugged off-road ability that you probably don't need. Although the Q7 is related to the Volkswagen Touareg and Porsche Cayenne, it's somewhat longer than those two models, with an...

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