Cadillac CT6

Cadillac moved to New York, renamed its cars and crossovers, and made cutting-edge technology one of its pillars. It's fighting hard to attract new customers and kill its outdated reputation as an old-man car brand in the United States. Change happens slowly, and then sometimes, all at once. Enter the 2016 Cadillac CT6. This is Cadillac's range-topping sedan. It's almost as long as the Mercedes S-Class and BMW 7 Series, yet in some configurations, it's lighter than their smaller siblings, the E-Class and 5 Series. The CT6 is a rolling showcase of General Motors' latest and best technologies,…