2017 Cadillac CT6 Plug-In: first drive of hybrid luxury sedan

2017 Cadillac CT6 plug-in hybrid, New York City and Westchester County, NY, May 2017The 2017 Cadillac CT6 Plug-In will be a rare beast in the U.S.; fewer than 1,000 are likely to be sold each year. In many ways, that's a shame. This version of the CT6 large sedan is a worthy competitor among plug-in hybrid luxury cars, the rest of which will come from BMW, Mercedes-Benz, and Volvo. Its rated electric range of 31 miles is roughly...