Porsche‚Äôs plug-in 2014 Panamera S E-Hybrid sedan can go from 0-62 mph in 5.2 seconds, has a top speed of 167 mph, all-electric speed of 84 mph, and gets an honest-to-goodness 54 mpg when it has to. This was the average returned by 42 auto journalists who sampled the car on a 28.7 km (17.4 […]

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