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The rejuvenated Lincoln-Mercury design studios created the Navicross concept that had a similar size and shape to that of a sport sedan combined with a sport wagon with the ground clearance and breakover angles of a sport utility vehicle. First seen at the 2003 auto shows, Navicross was a stepping-stone for the creation and introduction of the 2007 Lincoln MKX. The interlocking doors were constructed to take the place of the conventional B-pillar without compromising the structural integrity of the body. Under the hood was a supercharged 32-valve 4.2-liter aluminum V-8 that powered a full-time all-wheel-drive system with adaptive traction control. The 5-speed automatic transmission had a manual sequential function, and sensed driving style and road conditions for optimal gear shifting and performance.
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Source: Internet