Thanks to everyone who has contributed to this thread. We've deviated a bit from my original question which was essentially "why do the Porsche performance numbers trounce the Z's when the specs aren't all that different?" For an answer, suffice to say the engine layout plays a big role in both the 0-60 times and minimizing the drivetrain losses. In both areas, the Z is at a disadvantage.
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2013 Cadillac V-Wagon, RIP Z
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