The CT6 was created to be the flagship sedan that sparked Cadillac's rebirth. It was the first full-size Cadillac with rear-wheel drive in two decades, the only Cadillac offering a high-powered Blackwing V-8 and the only way, early on, to get Super Cruise, a driver-assist system that many critics say outperforms Tesla's Autopilot. But the sedan that former Cadillac chief Johan de Nysschen introduced as "prestige luxury reimagined" went the way of so many other cars these days.
