[2] Cadillac builds the Celestiq by hand,[1] having invested US$81 million to create a low-volume production line at its Technical Center (GMTC) in Warren, Michigan.

[6] It is anticipated the Celestiq will be fitted with GM's next generation "Ultra Cruise" advanced driver-assistance system, running on Qualcomm's Snapdragon Ride platform.

[7][8] Like the Cadillac Lyriq, an electric SUV which precedes it, the Celestiq uses GM's Ultium battery technology and BEV3 platform.

[11] After a limited number of planned features and details were released in March 2020 and January 2021 at an "EV Day" event and CES 2021, respectively,[5] pictures of the concept vehicle were not available[7] until July 22, 2022, when Cadillac revealed the Celestiq Show Car,[12] planned for release as a 2025 model year vehicle.

[3] The Wall Street Journal reported the Celestiq will be priced near US$300,000 and will enter limited production by late 2023, with fewer than 500 built per year.

[14] The concept was shown to the public at Monterey Car Week in August 2022, including the annual Pebble Beach Concours d'Elegance.

[11][22] The headlamps use digital micromirror devices with 1.3 million pixels per side, displaying a startup sequence to welcome the approaching driver, including a projection of the updated Cadillac crest.