2023 Cadillac CT6 spy shots: Redesign planned for full-size sedan

The Cadillac CT6 may have been dropped in the U.S. after 2020 but it remains on sale in China, and a new prototype sighting suggests a redesigned version is on the way. Cadillac engineers have been spotted testing a new full-size sedan believed to be a successor to the CT6. The prototype was spotted testing on U.S. soil, but it’s unlikely the car…