The seats are relatively narrow. Fine for me, but I can see why some people complain...Does anyone have a detailed reason the seats are just not comfortable? What went wrong?
Three the side bolsters are just too stiff aggressive.
The Bolt's chief engineer Josh Tavel (pictured below) likes sporty driving, so it may not be too surprising that the seats have larger side bolsters and the suspension is tuned on the firm side (for better handling, but bumps bounce through harder, although it is not as jiggly as some sports cars).