Reference Details
- Common issue
- A lower-trim Buick A-body may carry GS 400 badges without matching factory body/model evidence.
- Confidence
- documented
- Correct value
- Factory AMA records use GS 400 and model/body references including 44637 and 44667 in the GS 400 pages.
- Where to check
- Factory AMA model pages and vehicle/body identification records; verify against the vehicle serial/body data plates on an individual car.