Are Cadillac and Buick from the same company?

[VonElijah]

Cadillac and Buick are from the same company. Both Cadillac and Buick are automotive brands under General Motors, which also owns brands such as Pontiac, GMC, Saturn, Daewoo, Chevrolet, Saab, Opel, and Oldsmobile. Differences between Cadillac and Buick: Different exterior designs: Although both Buick and Cadillac are essentially American cars, the Regal and ATSL exhibit distinct styling. The new-generation Regal adopts Buick's latest design language, featuring a more fashionable and sporty overall appearance with a flattened front fascia treatment; the Cadillac ATSL embodies a more classic American sports car style. Different dimensions: In terms of size, the Buick Regal measures 4902/1863/1461mm in length/width/height with a wheelbase of 2829mm, while the Cadillac ATSL measures 4730/1824/1426mm with a 2860mm wheelbase. Comparatively, the Regal has a longer body than the ATSL, but the ATSL boasts a longer wheelbase.