Cadillac’s flagship luxury sedan adventure will come to an end in January 2020. Slated for retirement is the full-size CT6 and it’s performance variant, CT6-V.

GM filed paperwork under the Worker Adjustment and Retraining Notification Act (WARN) with Michigan’s Department of Labor and Economic Opportunity this week, outlining the events to come at the automaker’s Detroit-Hamtramck Assembly Plant.



Starting February 28, 2020 – 814 salaried and hourly workers at ‘D-Ham’, as its called, will be laid off. The 753 workers represented by the UAW will start receiving offers in January to relocate to other facilities in Michigan and Ohio, or they will be offered buyout offers. As the 4-million-square-foot plant winds down through April 3 to a minimal working crew, the Cadillac CT6 will end production in January 2020.

As part of the new four-year labor agreement with the UAW, General Motors is keeping the D-Ham plant open to build a new line of battery-electric vehicles, ultimately investing $3 billion and tripling employment to 2,225 workers by the time it is fully operational.

Production of Cadillac’s highly regarded new 4.2-liter Blackwing twin-turbo V8 engine is also in question. The Cadillac Blackwing V8 (GM RPO LTA) is the twin-turbo DOHC V8 engine is a clean sheet engine design, as well as Cadillac’s first ever twin-turbo V8 engine. The engine was branded as the “Blackwing V8” by GM technicians, and is the first Cadillac-exclusive dual overhead cam V8 engine since the Northstar V8 was dropped in 2011.