With gas prices low, big SUVs are back in vogue. At this year's Chicago auto show, Nissan is showing off its latest large sport-utility vehicle--one with a global reputation for toughness--as it unveils the 2017 Nissan Armada. MORE: Read our 2017 Nissan Armada preview Until now, the Armada has been a spin-off of the big Titan pickups Nissan builds...
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