Bright ideas are hard to pull off. For every Chrysler minivan or Ford Explorer four-door SUV, there are dozens of one-hit wonders and new concepts that failed to catch on. The Pontiac Aztek, an unholy combination of minivan and SUV, is the classic example, but there have been many others through the years.
As the model year winds down, U.S. and Korean automakers are trouncing their Japanese rivals.
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