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sneaks,
What you say is true about increases in vehicle size, but lately some of the increases are tied to the fuel economy rules. BMW is increasing the wheelbase of the 3 more than it's overall length. Vehicle size classes are measured by footprint which is wheelbase x track. There is room in the 3 to increase both components of footprint with only a tiny increase in overall dimensions. Because the fuel economy targets are so high for small vehicles there will need to be major changes in models like the 135i, STI, 370Z and Evo X. Porsche has some challenges ahead, but their cars are so expensive that paying fines is an option. Detroit's pony cars are large enough to get by as is.
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