The 2018 Porsche Panamera does nearly all the things all the time—and even more this year. It’s the 911 of sedans, just as Porsche intended it to be, and in our eyes it rates 8.4 out of 10. (Read more about how we rate cars.) There are a staggering 15 models from which to choose: base cars, all-wheel-drive Panamera 4 and 4S cars...
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