Pros: GM has a great company culture, and so many orgs and opportunities. Once you are in, they promote moving around within the company for career development.

Cons: Such a large company, it can be very competitive and difficult to move up in leadership.

Pros: Good pay relative to local cost of living. Most coworkers are friendly and polite. Work/life balance is mostly fine.

Cons: Tasks are excessively compartmentalized, meaning a lot of engineers aren't able to develop any real skills. I wasn't allowed any direct agency in 90% of the tasks I was "responsible" for; mostly all I could do was ask other people to do things. I was unable to get meaningful experience in anything important to a mechanical engineering career. FEA/CAE analytical tools, CAD modeling, drawing creation, and even early concept development are all restricted to separate groups. Upper management seems out of touch, with a lot of unrealistic claims and timelines. Too many non-manager roles seem to exist only to track other people's work.

Pros: Good salary, depending on the manager, you can be very flexible. Lots of resources and knowledge to learn from.

Cons: High pressure from all over and old-school management.