It's a well-known fact that cars with unibody construction-aka unit body, subframe, or stub frame design-are designed to satisfy an automaker's need for both strength and low manufacturing cost. Yet in spite of some very clever engineering, both of these goals are ultimately in contradiction with each other. As you lower the cost of production, the stiffness-and thus the handling and ride quality-goes down. In the 1960s, Chrysler was arguably the most successful of the Big Three at walking the cost/performance tightrope, but as the decades rolled on, the compromise of a unibody chassis comes increasingly to light.
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